public class Study4 {
public static void main(String[] args) {
int number1 = 3;
int number2 = 3;
number2 =+ number1 + number2;
System.out.print("number2 is "+number2);
/*如1: sum += i;
* 意思:int i = 1;
* int sum = 0;
* sum = sum + i;
* 如2:sum = =i;
* 意思:……
*/
}}
新手学Java小笔记