Java trim () method

Java String class

trim () method is used to remove the head and tail string of whitespace.

grammar

public String trim()

parameter

• no

return value

Whitespace string head and tail removed.

Examples

public class Test {
    public static void main(String args[]) {
    	String Str = new String("    www.w3big.com    ");
    	System.out.print("原始值 :" );
        System.out.println( Str );

        System.out.print("删除头尾空白 :" );
        System.out.println( Str.trim() );
	}
}

The above program execution results:

原始值 :    www.w3big.com    
删除头尾空白 :www.w3big.com

Java String class