int a = 1000;
int b = 30;
int c = 40;
//同时创建三个全是Int变量int a,b,c,
//各自分别赋值
a = 1000;
b = 20;
c = 30;
system.out.println(a);//1000
system.out.println(b);//20
system.out.println(c);//30
//同时创建三个int变量 ,并且同时各自赋值
int x = 100, y = 200 , z =300;
System.out.println(x);//100
System.out.println(y);//200
System.out.println(z);//300
都可以显示的