Day5之操作运算符

package java151122;

/*

* 操作运算符

*/

public class OperationVarDemo {

public static void main(String[] args) {

int x = 4270;

x = x / 1000 * 1000;

int y = 10;

y = y % 4;

System.out.println(x);

System.out.println(y);

System.out.println(1 % 5);

System.out.println(5 % 1);

System.out.println(1 % -5);

System.out.println(-1 % 5);

// a++ ,++a 谁先算,谁后算

int a = 3;

int b;

b = a++;

System.out.println(b);

System.out.println(a);

int c = 3;

int d;

d = ++c;

System.out.println(d);

System.out.println(c);

System.out.println("5+5=" + 5 + 5);

// 转义字符 \ \n \b \r \t 回车符 \r\n

// \n

System.out.println("\\hello\\");

char ch = '你';

char h = '\'';

}

}