Programming Concepts Question: Download Questions PDF
Explain what is the use of == and equals() method?
Answer:
The == operator compare whether two object references are refer to the same instance or not.
The equals() method compare the characters(contents) of two String object.
example:
String a="Hai";
String b="Hai";
String c=new String("Hai");
System.out.println(a==b); //True
System.out.println(a==c); //False
System.out.println(a.equals(b)); //True
System.out.println(a.equals(c)); //True
The equals() method compare the characters(contents) of two String object.
example:
String a="Hai";
String b="Hai";
String c=new String("Hai");
System.out.println(a==b); //True
System.out.println(a==c); //False
System.out.println(a.equals(b)); //True
System.out.println(a.equals(c)); //True
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