is String Empty Or Null - Java java.lang

Description

is String Empty Or Null

Demo Code

public class Main{

    public static void main(String[] argv){
        String str = "java2s.com";
        System.out.println(isEmptyOrNull(str));
    }/* ww  w.j  av a2s  .co  m*/
    public static boolean isEmptyOrNull(String str) {
        return str == null || str.isEmpty();
    }

}

• Previous
• Next

Related Tutorials

• Checks if a String is empty ("") or null without using trim method
• is String Empty
• is String Not Empty
• Returns either the passed in String, or if the String is empty or null, the value of defaultStr.
• Returns either the passed in String, or if the String is null, an empty String ("").