Java - Online Test - Script - javasearch.buggybread.com


Share

Search Java Test Questions


 223 test questions in repository.




Java - Test Questions on 'Script' - 9 questions found


Which of the following is fastest to locate the DOM element ?HTML
document.getElementById
document.getElementByName
document.ElementName.SubElementName
They all result in similar performance in retrieving the DOM element.

  html  dom  javascript

Why should we have Javascript method definitions within HTML Head section ?Javascript
Its safe to have javascript code within head section
Head section gets loaded even if there is any error in loading HTML page
Head section gets executed first and hence assure that js method definition will be loaded before they are called
So that we can have method definition and method call at the same place

  html  head section  javascript

Which of the following file is called deployment descriptor ?Java EE
application.xml
web.xml
config.xml
web-application.xml

  deployment descriptor

Which of the following statement is not true ?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 .. 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 ?

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

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

  







comments powered by Disqus