【Java基础】基本类型

1:整数

public class Main {

    public static void main(String[] args) {
        int num = 100;
        System.out.printf("int num = %d\n",100);
        System.out.printf("int 类型:%d\n",num);
    }
}


运行结果
zhudechaodeMBP2:src zhudechao$ javac Main.java 
zhudechaodeMBP2:src zhudechao$ java Main
int num = 100
int 类型:100