Java - Online Test - Object equality - javasearch.buggybread.com
Interview Questions
Search
Legacy
Tests
Repo
Legacy
Java
Java 8
Java 7
Java Abbreviations
OCJP / SCJP
Class List
New in Java 8
Java Exceptions
Spring Exceptions
Java Enums
Java 8 Lambda
Java 8 java.time
Big Data
Discussion Forum
Humor
Classes Search
Subscribe
Search Java Test Questions
223 test questions in repository.
Search
Java - Test Questions on 'object equality' - 6 questions found
What will be the output of following ?
String str1 = new String("String1");
String str2 = new String("String1");
System.out.print(str1 == str2);
System.out.print(str1.equals(str2));
str1 = str2;
System.out.print(str1 == str2);
Core Java
falsetruetrue
truetruetrue
truetruefalse
falsetruefalse
equals
object equality
What will be the output of following code ?
String str1 = "String1";
String str2 = "String1";
System.out.print(str1 == str2);
System.out.print(str1.equals(str2));
str1 = str2;
System.out.print(str1 == str2);
Core Java
falsetruetrue
falsefalsetrue
truetruetrue
falsefalsefalse
equals
object equality
string pool
Which of the following statement is not true ?
Reference
Core Java
x==y means they are pointing to the same object
x==y means that they hold same information
x.equals(y) means they are pointing to the same object
x.equals(y) means that they hold same information
When String literals are compared using ==, they always returns true if the string values are same because ..
Reference
Core Java
of overridden compareTo method
of overridden compare method
of String Pool
== means that the object contents are equal
What will be the output of following code ?
String str1 = "String1";
String str2 = "String2";
str1.concat("String3");
System.out.print(str1);
System.out.print(str2);
Core Java
String1String2
String1String3String3
String1String3String1String3
String1String1
What will be the output of following code ?
String str1 = "String1";
String str2 = "String2";
str1=str1.concat("String3");
System.out.print(str1);
System.out.print(str2);
Core Java
String1String2
String1String3String2
String1String2String3
String1Stringg3String1
Please enable JavaScript to view the
comments powered by Disqus.
comments powered by
Disqus