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Java 编译器检查整数类型的变量的初始化(声明并初始赋值)的原则是啥？?报错

有人说，Java编译器编译时候，一般都要对声明并初始化赋值的整数类型(byte, short, int, 和 long) 的变量初始化，进行检查，看看赋值大小是否超过变量的类型所容纳的范围。如果超过范围，报错：“从int转换到byte可能会有损失”，或 “过大的整数: 2147483648”...

Java的布尔值变量如何声明

boolean bool = true; //true表示是boolean bool = false;//false表示否

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更新时间 2022-09-29 14:14:02

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