string buffer remove character code example

Example 1: string remove last character

public static String removeLastCharacter(String str) {   
	String result = null;   
    if ((str != null) && (str.length() > 0)) {      
    	result = str.substring(0, str.length() - 1);   
    }   
    
    return result;
}

Example 2: java string remove character

String str = "abcdDCBA123";
String strNew = str.replace("a", ""); // strNew is 'bcdDCBA123'