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what is the meaning of java.lang and java.util
 Question Submitted By :: Core-Java
I also faced this Question!!     Answer Posted By  
# 1
java.lang and java.util are built in packages that contains
classes that we use in the program contains
classes System,String,StringBuffer etc.and java.util
contains Date etc.
Is This Answer Correct ?    27 Yes 6 No
# 2
Actually util stands
dere for utility n dese
r packages dat r
predfined classes in
java language n used
in programs just lyk
dere r some
predefined header files
in c.
Is This Answer Correct ?    11 Yes 2 No
Babloo Jha
# 3
There is no need to import java.lang package, it implicitly
available to java file whereas it is mandatory to import
java.util explicitly .
Is This Answer Correct ?    7 Yes 2 No
Kartik Kudada
# 4
java.lang is a package which contains the classes like
System, String, String Buffer etc., This package doesnt
have to be explicitly imported as they are imported by
Whereas Java.Util is a package which contains classes like
Date, Vector, Dictionary, hashtable etc., This has to be
imported everytime you use it in your program
Is This Answer Correct ?    6 Yes 1 No
Bhuvaneswari Kamaraj
# 5
java.lang is default package contains some fundamendal
classes for java language. For example it contains classes
like ClassLoader , Class and System . JVM loads tha class
file using this ClassLoader ... so its automatically
imported by jvm also known as default
contains all the utility classes needed
Is This Answer Correct ?    10 Yes 6 No
Seeli Louis
# 6
java language and java util both are built in package.the java util package define a number of useful classes and that are use for working with groups of object. 
Is This Answer Correct ?    0 Yes 0 No

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when System.out.println("") is executed what happens in the back ground?   2
What are File and RandomAccessFile classes?   2
what is collections in java?   4
For more Core Java Interview Questions Click Here 

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