Comparison of strings in Java

In C + +, you can use if (str_a = = Str_b) to determine whether the value of the str_b is equal to two strings str_a. In Java, however, you cannot use if (str_a = = Str_b) to determine whether a string str_a, str_b values are equal. "= =" Determines the string str_a, Str_b two string objects in memory where the location is consistent, not the string str_a, Str_b The value is equal. If you want to determine the string str_a, the value of Str_b is equal, you should use: if (str_a.equals (str_b))

Comparison of strings in Java