OpenPeta

package org.vit.java.collections;
public class WrapperTest {
 
public static void main(String[] args) {
double d1 = 1.1234;
Double d = new Double(d1);
System.out.println(d.intValue());
System.out.println(d.doubleValue());
System.out.println(d.floatValue());
System.out.println(d.isNaN());
System.out.println(d.byteValue());
System.out.println(d.compareTo(0.0));
System.out.println(Double.MIN_VALUE);
System.out.println(Double.MAX_VALUE);
 
}
 
}

package org.vit.java.collections;
 
import javax.swing.JOptionPane;
public class TypeCasting
{
 
public static void main(String[] args)
{
int x =10;
String str = String.valueOf(x);
float f = Float.parseFloat(str);
JOptionPane.showMessageDialog(null,x);
}
 
}

package org.vit.java.collections;
 
import java.util.Vector;
 
public class VectorTest {
 
public static void main(String[] args) {
Vector v = new Vector();
System.out.println("The Default Capacity is "+v.capacity());
v.add("antony");
v.add("raj");
v.add("10");
v.add("23.4");
v.add("kamal");
v.add("234");
v.add("214.40");
v.add("java");
v.add("2.0");
v.add("2.4");
v.add("11");
v.add("end");
System.out.println("The Vector is growing its size doubled s"+v.capacity());
System.out.println("The first element of vector is "+v.firstElement());
System.out.println("The last element of vector is "+v.lastElement());
System.out.println("The 10th element of vector is "+v.get(9));
System.out.println("The size of the vector is "+v.size());
v.set(0, "start");
System.out.println("The first element of vector is "+v.firstElement());
v.remove(9);
System.out.println("The Vector Values are");
for(int i=0;i<v.size();i++)>
{
System.out.print(v.get(i)+" ");
}
v.clear();
}
}