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34 lines (32 loc) · 1.13 KB
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package Array;
import java.util.Scanner;
public class CalculateSumPartOfNum {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int[] num = new int[]{12,85,96,78,12};
System.out.print("Reverse: ");
for(int i=0;i<num.length;i++){
System.out.print(reverseArray(num)[i]+" ");
}
System.out.println("\n");
System.out.print("Enter First index: ");
int firstIndex = input.nextInt();
System.out.print("Enter Last index: ");
int lastIndex = input.nextInt();
System.out.println("Sum= "+sumPartOfNum(num,firstIndex,lastIndex));
}
public static int sumPartOfNum (int[] num,int firstIndex,int lastIndex){
int sum=0;
for(int i=firstIndex;i<=lastIndex;i++){
sum=sum+num[i];
}
return sum;
}
public static int[] reverseArray (int[] num){
int[] reverseNum = new int[num.length];
for(int i=0;i<num.length;i++){
reverseNum[i]=num[num.length-(1+i)];
}
return reverseNum;
}
}