You can use the NOT operator ! with appropriate parentheses for clarity (though not strictly required).

The equals() method compares two strings, and returns true if the strings are equal, and false if not. Tip: Use the compareTo () method to compare two strings lexicographically.

Feb 12, 2024 · Using the equals() method within the if statement, we compare the content of these strings. Since the content is identical, the condition evaluates to true, and the program …

Dec 23, 2024 · String equals () method in Java compares the content of two strings. It compares the value's character by character, irrespective of whether two strings are stored in the same …

Apr 2, 2013 · The contents of two strings s and t can be tested for equality by the method invocation s.equals(t). You almost always want to use Objects.equals(). In the rare situation …

Jan 1, 2014 · The condition should read: if (!clearance.equals("0") && !clearance.equals("1")) { Your current expression always evaluates to true (since any string is not equal to either "0" or …

Mar 6, 2017 · First, you're if statement is a bit wonky. It's missing a closing a parenthesis and it should be using " " instead of ' ' to denote a string literal. And a bit about how equals () works. …

Apr 17, 2013 · cont.toUpperCase() returns a String, so cont.toUpperCase().equals("NO") would call equals on the string returned by toUpperCase(). In other words, yes, you can put both …

You can override the standard equals () method from java.lang.Object to implement a custom equals () method. Strings are special in Java - they're immutable, and string constants …

Nov 15, 2013 · Compare String values with String 's equals method, not with the == operator. Also, use = to assign true to your boolean.