1. && Short-circuit AND:
Once it encounters an expression that results in false, it will not continue to perform the operation, and the result will be false directly
2、& 逻辑与:
不论中间的表达式结果如何,一定会运算完所有程序表达式才能得到结果
1. && Short-circuit AND:
Once it encounters an expression that results in false, it will not continue to perform the operation, and the result will be false directly
2、& 逻辑与:
不论中间的表达式结果如何,一定会运算完所有程序表达式才能得到结果