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How to compare characters in java without case sensitivity

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2019-12-05 14:33:314406browse

How to compare characters in java without case sensitivity

equalsIgnoreCase() method is used to compare a string with the specified object, regardless of case. (Recommended: java video tutorial)

Syntax

public boolean equalsIgnoreCase(String anotherString)

Parameters: anObject -- the object to compare with the string.

Return value: If the given object is equal to the string, return true; otherwise, return false.

Example

public class Test {
    public static void main(String args[]) {
        String Str1 = new String("runoob");
        String Str2 = Str1;
        String Str3 = new String("runoob");
        String Str4 = new String("RUNOOB");
        boolean retVal;

        retVal = Str1.equals( Str2 );
        System.out.println("返回值 = " + retVal );

        retVal = Str3.equals( Str4);
        System.out.println("返回值 = " + retVal );

        retVal = Str1.equalsIgnoreCase( Str4 );
        System.out.println("返回值 = " + retVal );
    }
}

The execution result of the above program is:

返回值 = true
返回值 = false
返回值 = true

For more java knowledge, please pay attention to the java basic tutorial column.

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