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CharTest.java

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public class CharTest {

public static void main(String[] args) {

char c='A';

System.out.println("c = " + c); // A

int a='A';

System.out.println("a = " + a);

int b='B'+1;

System.out.println("b = " + (char)b); // 67->C

// Q. ‘가’라는 한글 한 문자를 변수에 저장하고 출력하시요.

char han='가';

System.out.println("han = " + han);

int hanD='가'; // 44032

System.out.println("hanD = " + hanD);

int hanU='\uAC00';

System.out.println("hanU = " + (char)hanU);

//Q. 대문자 ‘A’를 문자 ‘a’로 변환하여 출력하시요.(ASCII코드 참고)

char upper='A';

char lower=(char)(upper+32);

System.out.println("lower = " + lower); // 'a'

char lower1='u'; // 117

int upper1=lower1-32; // 117-32=85(U)

System.out.println("upper1 = " + (char)upper1); // 85->U

//Q. ‘1’+’2’=3이 나오도록 프로그래밍 하시요.

int data='1'+'2';

System.out.println("data = " + data); // 99

// '0'=48

char i='1'; // 49-48=1

char j='2'; // 50-48=2

//int sum=(i-48)+(j-48);

int sum=(i-'0')+(j-'0');

System.out.println("sum = " + sum); // 3

}

}