Java String equals() method

equals() method compares two string based on the their content.

Syntax

public boolean equals(Objects anObject)

parameter

anObject: Object to be compared with the current String.

Returns

It returns true when the current String is equivalent to the given String Otherwise, it returns false.

Java String equals() method Example1:

public class JavaStringEqualsEx1
{ 
   public static void main(String args[])
  { 
   String str1,str2,str3;
   str1="welcome to java tutorial";
   str2=str1.concat(" and example"); 
   str3="welcome to java tutorial and example";
   System.out.println(str2.equals("ample"));
   System.out.println(str1.equals("al"));
   System.out.println(str1.endsWith("example"));
   System.out.println(str2.equals(str3));
   }
}

Output:

false
false
false
true

Java String equals() method Example 2:

public class JavaStringEqualsEx2
    { 
        public static void main(String[] args)
        { 
            String str = "tutorialandexample";
            System.out.println(str.equals("and")); //returns false
            if(str.equals("tutorialandexample")) {// returns true 
                String str2=str.concat(".com");
                System.out.println(str2);
            }else
               System.out.println("something else"); 
        } 
    }

Output:

 false
 tutorialandexample.com

Java String equals() method Example 3:

   public class JavaStringEqualsEx3


    { 
        public static void main(String[] args)
        {
            String[] s1 = {"welcome","to","java","tutorial"};
            System.out.println(s1[0]);
            System.out.println(s1[1]);
          //retriveing the array strings
            for (String element:s1){
            if ( element.equals("java")) {
               System.out.println("java");
              }else if( element.equals("tutorial")){
               System.out.println("tutorial"); 
              }
            }
           System.out.println(s1.equals("welcome to java tutorial"));  
      }
}

Output:

welcome
to
java
tutorial
false