public class Garbage { int a=0; public void add() { int c=10+20; System.out.println(c); System.out.println(a); } public static void main(String args[]) { Garbage obj=new Garbage(); System.gc(); System.out.println("Garbage Collected"); obj.add(); } } Above is a code in java used for garbage collection. object obj has been created for the class Garbage and system.gc method is called. Then using that object add method is called.System.gc method if called the obj should be garbage collected?
6 6511If all the methods in abstract class are declared as abstract then what is difference between abstract class and in interface?
8 12819How to validate the request (Eg:user name and password) in session(http session)? not in LDAP server ?
1 5113In C we use only compiler. Why java uses both compiler and interpreter? What is its significance?
5 16398wHAT IS DEFAULT SPECIFIER IN JAVA wHAT IS DEFAULT CONSTRUCTOR IN JAVA wHAT IS DEFAULT METHOD IN JAVA
IBM,
12 15814Write java code to print "Hello how are you" Thread1 should have "Hello" Thread2 should have "how are you" both the threads should start at the same time
4 8432
How to write custom exception in java?
What is class forname?
When should I use stringbuffer?
Can we catch more than one exception in a single catch block?
What is boolean query?
Can a main method be declared final?
What are synchronized methods and synchronized statements in java programming?
I want to re-reach and use an object once it has been garbage collected. Define how it’s possible?
How do you classify Dialog Box?
What are the two categories of data types in the java programming language?
Can a constructor be protected?
placement papaers of spring computing technology
What is math in java?
What Is Composition?
Explain constructors and types of constructors in java.