Friday, October 31, 2014

interface X

 public void myMethod();

interface Y

public void myMethod();

class Demo implements X, Y

 public void myMethod()

       System.out.println(" Multiple inheritance example using interfaces");

Try Catch in Java Exception handling

class Example1

 public static void main(String args[])

     int num1, num2;

try

        num1 = 0;

        num2 = 62 / num1;

        System.out.println("Try block message");

      catch (ArithmeticException e)

            System.out.println("Error: Don't divide a number by zero");

     System.out.println("I'm out of try-catch block in Java.");

Java Serialization

  public class Student implements java.io.Serializable

  private int stuRollNum;

  private int stuAge;

  private String stuName;

  private transient String stuAddress;

  private transient int stuHeight;

  public Student(int roll, int age, String name,

  String address, int height)

    this.stuRollNum = roll;

    this.stuAge = age;

    this.stuName = name;

    this.stuAddress = address;

    this.stuHeight = height;

 public int getStuRollNum()

    return stuRollNum;

  public void setStuRollNum(int stuRollNum)

    this.stuRollNum = stuRollNum;

  public int getStuAge()

    return stuAge;

  public void setStuAge(int stuAge)

    this.stuAge = stuAge;

  public String getStuName()

    return stuName;

  public void setStuName(String stuName)

    this.stuName = stuName;

  public String getStuAddress()

    return stuAddress;

  public void setStuAddress(String stuAddress)

    this.stuAddress = stuAddress;

  public int getStuHeight()

    return stuHeight;

  public void setStuHeight(int stuHeight)

    this.stuHeight = stuHeight;