Jp88Programmer · Jp88Programmer · Aug 11, 2021 · Aug 11, 2021
diff --git a/Add.java b/Add.java
@@ -0,0 +1,9 @@
+public class Add{
+	public static void main(String[] args) {
+	 int a,b,c;
+	 a=12;
+	 b=34;
+	 c=45;
+	 System.out.println(a+b+c);
+	}
+}
diff --git a/AnalyzeNumbers.java b/AnalyzeNumbers.java
@@ -0,0 +1,22 @@
+
+import java.util.Scanner;
+public class AnalyzeNumbers{
+
+    public static void main(String args[]){
+    System.out.print("Enter a ten numbers : ");
+    Scanner input = new Scanner(System.in);
+    double [] number = new double[10];
+    double sum = 0.0;
+    for(int i = 0 ; i < number.length ; i++ ){
+    number[i] = input.nextDouble();
+    sum += number[i];
+    }
+    double average = sum/number.length;
+    int count = 0;
+    for(int i = 0 ; i < number.length ; i++ ){
+     if(average < number[i])
+      count++;
+    }
+    System.out.println("Sum of Numbers : " + (((int)sum*100)/100.0) + "\nAverage of Numbers : " +(((int) average*100)/100.0)+ "\nNumber of elements above the average : " + count);
+    }
+}
diff --git a/Anlazing.java b/Anlazing.java
@@ -0,0 +1,22 @@
+
+import java.util.Scanner;
+public class Anlazing{
+
+    public static void main(String args[]){
+    System.out.print("Enter a ten numbers : ");
+    Scanner input = new Scanner(System.in);
+    double [] number = new double[10];
+    double sum = 0.0;
+    for(int i = 0 ; i < number.length ; i++ ){
+    number[i] = input.nextDouble();
+    sum += number[i];
+    }
+    double average = sum/number.length;
+    int count = 0;
+    for(int i = 0 ; i < number.length ; i++ ){
+     if(average < number[i])
+      count++;
+    }
+    System.out.println("Sum of Numbers : " + sum + "\nAverage of Numbers : " + average + "\nNumber of elements above the average : " + count);
+    }
+}
diff --git a/AreaFromRadius.java b/AreaFromRadius.java
@@ -0,0 +1,26 @@
+package com.example;
+import java.util.Scanner;
+public class AreaFromRadius {
+ public static void main(String args[]){
+  final double PI = 3.14;
+  System.out.println("Enter the radius  : ");
+   //Scanner object built
+  Scanner input = new Scanner(System.in);
+  //Enter the radius from user
+  double radius = input.nextDouble();
+  //Area of Circle
+  double areaOfCircule = (int)(PI * radius * radius*100)/100.0;
+  //Area of Spare 
+  double areaOfSpare = 4 * areaOfCircule;
+  //Area of Half Spare 
+  double areaOfHalfSpare = 2 * areaOfCircule;
+  //Volume Of Spare
+  double volumeOfSpare = (4.0/3)*(PI*radius*radius*radius);
+  //Volume Of Half Spare 
+  double volumeOfHalfSpare = (0.5)*(int)(volumeOfSpare*100)/100.0;
+  //Display the above data 
+  System.out.println("Area of Circle       : " + areaOfCircule);
+  System.out.println("Area of Spare        : "+ areaOfSpare + "\nVolume of Spare      : " + volumeOfSpare);
+  System.out.println("Area of HalfSpare    : "+ areaOfHalfSpare + "\nVolume of HalfSpare  : " + volumeOfHalfSpare);
+ }
+}
diff --git a/AvgNum.java b/AvgNum.java
@@ -0,0 +1,21 @@
+import java.util.Scanner; //import package define java.util (package) 
+//Scanner is predefined class it's read input from console
+public class AvgNum{
+	//make class 
+	public static void main(String[] args) {
+		//main method
+		Scanner sc=new Scanner(System.in);
+	   //make object sc int Scanner class 
+	   //System.in is standard input method
+         System.out.print("Enter a three numbers :: ");
+	      int num1 = sc.nextInt();
+	    //nextInt predefined method to seem input int type 
+	    int num2 = sc.nextInt();
+	    int num3 = sc.nextInt();
+  //		for(int i=1;i<=N;i++)
+	//	System.out.print(i+" ");
+	    double avg=(num1+num2+num3)/3.0;
+	   System.out.println("Averages of  numbers "+ num1 + "  " + num2 +  " " + num3 + " is : " + avg);
+//	 System.out.println(num1 + num2 + num3 + avg);
+	}
+}
diff --git a/Calculator.java b/Calculator.java
@@ -0,0 +1,22 @@
+public class Calculator {
+ public static void main(String args[]){
+   if(args.length > 3){
+    System.out.println("Please,Check the Syntax");
+    System.exit(0);
+   }
+   int number1 = Integer.parseInt(args[0]);
+   int number2 = Integer.parseInt(args[2]);
+   switch(args[1].charAt(0)){
+     case '+' :
+      System.out.println(args[0]  + " + " + args[2] +" = " + (number1 + number2)); break;
+     case '-' :
+      System.out.println(args[0]  + " - " + args[2] + " = " + (number1 - number2)); break;
+     case '*' :
+      System.out.println(args[0]  + " + " + args[2] + " = " + (number1 * number2)); break ;
+     case '/' :
+      System.out.println(args[0]  + " + " + args[2] + " = " +  (number1 / number2)); break ;
+     default :
+      System.out.println("Syntax error");
+   }
+ }
+}
diff --git a/Calendar.java b/Calendar.java
@@ -0,0 +1,116 @@
+package example;
+import java.util.Scanner;
+public class Calendar {
+ public static void main(String args[]){
+  Scanner input = new Scanner(System.in) ;
+  System.out.print("\nEnter a Year : ");
+  int year = input.nextInt();
+  //System.out.print("Enter a Month (e.g. 2) : ");
+  //int month = input.nextInt();
+  for(int i = 1 ; i<= 12 ; i++){
+//  if(i%2 == 0)
+ // System.out.print("\t");
+  printCalenderBody(i,year);
+  }
+ }
+ public static void printCalenderBody(int month,int year){
+   String monthTitel = getMonthTitel(month);
+   System.out.printf("\n%16s,%-2d\n",monthTitel,year);
+   System.out.println("-----------------------------");
+   for(int i = 0 ; i < 7 ; i++)
+    System.out.printf("%4s",getWeekTitel(i));
+    System.out.println();
+    int startDay = startDayOfMonth(month,year);
+    int dayOfMonth = getDayOfMonth(month,year);
+   // System.out.println(startDay);
+    for(int i = 0 ; i < startDay ; i++)
+    System.out.print("    ");
+        for(int j = 1 ; j <= dayOfMonth ; j++){
+          if((j + startDay) % 7 == 0)
+           System.out.printf("%4d\n",j);
+          else
+           System.out.printf("%4d",j);
+    }
+ }
+ public static  boolean isLeapYear(int year){
+   return (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0));
+ }
+ public static String getMonthTitel(int month){
+   switch(month){
+     case 1 :
+      return "January";
+     case 2 :
+      return "February";
+     case 3 :
+      return "March";
+     case 4 :
+      return "April";
+     case 5 :
+      return "May";
+     case 6 :
+      return "June";
+     case 7 :
+      return "July";
+     case 8 :
+      return "August";
+     case 9 :
+      return "September";
+     case 10 :
+      return "October";
+     case 11 :
+      return "November";
+     case 12 :
+      return "December";
+     default :
+      return "Your Month Number Incorrect";
+   }
+ }
+ public static String getWeekTitel(int weekNumber)
+ {
+  String str = "";
+   switch(weekNumber){
+     case 0 :
+      str = "Sun"; break;
+     case 1 :
+      str = "Mon"; break ;
+     case 2 :
+      str = "Tue"; break ;
+     case 3 :
+      str = "Wed"; break ;
+     case 4 :
+      str = "Thu"; break ;
+     case 5 :
+      str = "Fri"; break ;
+     case 6 :
+      str = "Sat"; break ;
+   }
+   return str ;
+ }
+ public static int startDayOfMonth(int month,int year){
+   final int START_DAY_OF_1800 = 3;
+   int totelDay = getTotelDay(month,year);
+   return ( ( totelDay + START_DAY_OF_1800 ) % 7);
+ }
+ public static int getDayOfMonth(int month,int year){
+   int dayOfMonth = 0;
+   if(month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)
+   dayOfMonth = 31 ;
+   if(month == 4 || month == 6 || month == 9 || month == 11)
+   dayOfMonth = 30 ;
+   if(month == 2)
+   dayOfMonth = isLeapYear(year) ? 29 : 28 ;
+   return dayOfMonth;
+ }
+ public static int getTotelDay(int month,int year){
+   int totel = 0 ;
+   for(int i = 1800 ; i < year ; i++){
+     if(isLeapYear(year))
+     totel = totel + 366 ;
+     else
+     totel = totel + 365 ;
+   }
+   for(int i = 1; i < month; i++)
+     totel += getDayOfMonth(i,year);
+   return totel;
+ }
+}
diff --git a/CelsiusToFahrenheit.java b/CelsiusToFahrenheit.java
@@ -0,0 +1,15 @@
+package com.example;
+
+import java.util.Scanner;
+
+public class CelsiusToFahrenheit {
+
+  public static void main(String[] args) {
+    Scanner input = new Scanner(System.in);
+    // Make Scanner object to Read data
+    System.out.print("Enter a temperature in Celsius : ");
+    double celsius = input.nextDouble();
+    double fahrenheit = (9.0 / 5) * celsius * 100 / 100.0 + 32.0;
+    System.out.println("\nTemperature in Fahrenheit is " + fahrenheit);
+  }
+}
diff --git a/CharCast.java b/CharCast.java
@@ -0,0 +1,33 @@
+package example;
+
+public class CharCast {
+ public static void main(String args[]){
+  // char b= (char)615.78;
+  // System.out.println(a);
+  /* for(int a = 0; a<=1000 ; a++){
+ // b = (char)a;
+  // System.out.println(b);
+    }*/
+   //int a = 'π' ;
+  // System.out.println(a);
+  //Casting into byte 
+  char a = '\u0033';
+  char b  = 'Z';
+  //System.out.println(b);
+  //casting with floating point
+  //double d = a;
+  //System.out.println(d);
+  //System.out.println(a+b);
+  //--------Character class method--------//
+  System.out.println("isDigit('a') is " + Character.isDigit('a'));
+System.out.println("isLetter('a') is " + Character.isLetter('a'));
+System.out.println("isLowerCase('a') is "
+ + Character.isLowerCase('a'));
+System.out.println("isUpperCase('a') is "
+ + Character.isUpperCase('a'));
+System.out.println("toLowerCase('T') is "
+ + Character.toLowerCase('T'));
+System.out.println("toUpperCase('q') is "
+ + Character.toUpperCase('q'));
+ }
+}
diff --git a/Complex.java b/Complex.java
@@ -0,0 +1,28 @@
+public class Complex{
+      int real,complex;
+      public void Print(int a,int b){
+          real = a;
+          complex = b;
+          System.out.println(a  + " + i " + b);
+      }
+      public static void main (String args[]){
+          Complex c1 = new Complex();
+    c1.Print(2,3);
+      }
+     }
+
+/*public class Sample{
+
+    public static void main(String args[]){
+
+      int[] arr1 = {1,2,3,4,5};
+      int[] arr = new int[5];
+      System.arraycopy(arr1,2,arr,0,3);
+      for(int i = 0; i < 5 ; i++)
+       System.out.println(arr[i]);
+
+   // Complex c1 = new Complex();
+  //  c1.Print(2,3);
+   } 
+
+}*/
diff --git a/CompoundIncome.java b/CompoundIncome.java
@@ -0,0 +1,19 @@
+package com.example;
+import java.util.Scanner;
+public class CompoundIncome {
+ public static void main(String args[]){
+   System.out.print("Enter montly saving amount : ");
+   Scanner input = new Scanner(System.in);
+   double amount = input.nextDouble();
+   System.out.print("Enter a Annual Interest rate : ");
+   double interestRate = input.nextDouble();
+   final double MI = 1+(interestRate/1200.0);
+   System.out.print("Enter a month to Compound Amount : ");
+   int month = input.nextInt();
+   double sum = 0;
+   for(int i = 1 ; i <= month; i++){
+     sum = (sum + amount) * MI;
+   }
+   System.out.println("Compound Amount : " + sum );
+ }
+}
diff --git a/ComputeBalance.java b/ComputeBalance.java
@@ -0,0 +1,35 @@
+import java.util.Scanner;
+public class ComputeBalance{
+	public static void main(String[] args) {
+	//make Scanner object input
+	Scanner input = new Scanner(System.in);
+	System.out.print("Enter loan amount  : ");
+	//Read the loan amount 
+	double loanAmount = input.nextDouble();
+	System.out.print("Enter the Annual Interest Rate  : ");
+	//Entering Annual Interest Rate
+  	double interestRate = input.nextDouble();
+	System.out.print("Enter the number of years : ");
+	//promote the user to enter number of year
+	int numberOfYear = input.nextInt();
+  //calculate montlyInterestRate //
+	double montlyInterestRate = interestRate / 1200;
+	//calculate montly payment
+	double montlyPayment = loanAmount*montlyInterestRate/(1-1/Math.pow(1+montlyInterestRate,numberOfYear*12));
+	//calculate total payment
+	double totalPayment = montlyPayment * numberOfYear * 12 ;
+	//attaining two digits after the point 
+	montlyPayment =(int)(montlyPayment*100)/100.0;
+	totalPayment =(int)(totalPayment*100)/100.0;
+	//Display the statement of montlyPayment and totalPayment 
+	System.out.println("Montly payment is : " + montlyPayment + "\nTotal Payment is : " + totalPayment);
+	double balance = loanAmount ;
+	for (int i = 1; i <= numberOfYear * 12 ;  i++) {
+double  interest = montlyInterestRate * balance;
+double  principal = montlyPayment - interest;
+ balance = balance - principal;
+ System.out.println(i + "\t " +((int)(interest*100)/100.0)
+ + "\t   " +((int) (principal *100)/100.0)+ "\t  " + ((int)(balance*100)/100.0) + "\n");
+}
+	}
+}
diff --git a/ComputeGratuity.java b/ComputeGratuity.java
@@ -0,0 +1,14 @@
+package com.example;
+import java.util.Scanner;
+public class ComputeGratuity {
+ public static void main(String args[]){
+   //promotes from user to enter subtotal and gratuityRate
+   System.out.print("Enter subtotel and gratuity rate : ");
+   Scanner input = new Scanner(System.in);
+   double subtotel = input.nextDouble();
+   double gratuityRate = input.nextDouble();
+   double gratuity = (int)(subtotel * gratuityRate * 100 / 100) /100.0;
+   double totel = (int)((subtotel + gratuity)*100) / 100.0 ;
+   System.out.println("gratuity = " + gratuity + "\ntotel = " + totel);
+ }
+}