123456789101112131415161718192021222324 |
- class VariableTest4{
- public static void main(String[] args){
-
- //1.编码情况
- long l = 123123;
- System.out.println(l);
- //long l1=12331332123516578; 编译失败:过大的整数
- long l1=12331332123516578L;
- //*************************************
- //float f1=12.3; 编译失败
- //2.编码情况2:
- //整型常量,默认类型为int型
- //浮点型常量,默认类型为double型
- byte b=12;
- //byte b1=b+1; 编译失败
- //float f1=b+12.3; 编译失败
- }
- }
|