v.addElement(new Integer(8)); Integer k = (Integer)v.elementAt(0); int i = k.intValue();
import java.awt.*; import java.awt.event.*; import java.util.Vector;public class MyApp //extends Frame { public MyApp() { }
public static void main(String args[]) { System.out.println("Starting App"); MyApp f = new MyApp(); Vector v = new Vector(); v.addElement(new Integer(8)); Integer k = (Integer)v.elementAt(0); int i = k.intValue(); System.out.println(i); System.exit(0); } }
import java.awt.*; import java.awt.event.*; import java.util.Vector;public class MyApp //extends Frame { public MyApp() { }
public static void main(String args[]) { System.out.println("Starting App"); MyApp f = new MyApp(); Vector v = new Vector(); v.addElement(new Integer(8)); Integer k = (Integer)v.elementAt(0); int i = k.intValue(); System.out.println(i); System.exit(0); } }Starting App 8
或 import java.awt.*; import java.awt.event.*; import java.util.Vector;public class MyApp //extends Frame { public MyApp() { }
public static void main(String args[]) { System.out.println("Starting App"); MyApp f = new MyApp(); Vector v = new Vector(); v.addElement(new Integer(8)); int i = ((Integer)v.elementAt(0)).intValue();
Integer k = (Integer)v.elementAt(0);
int i = k.intValue();
import java.awt.event.*;
import java.util.Vector;public class MyApp //extends Frame
{
public MyApp()
{ }
public static void main(String args[])
{
System.out.println("Starting App");
MyApp f = new MyApp();
Vector v = new Vector();
v.addElement(new Integer(8));
Integer k = (Integer)v.elementAt(0);
int i = k.intValue();
System.out.println(i);
System.exit(0);
}
}
import java.awt.event.*;
import java.util.Vector;public class MyApp //extends Frame
{
public MyApp()
{ }
public static void main(String args[])
{
System.out.println("Starting App");
MyApp f = new MyApp();
Vector v = new Vector();
v.addElement(new Integer(8));
Integer k = (Integer)v.elementAt(0);
int i = k.intValue();
System.out.println(i);
System.exit(0);
}
}Starting App
8
import java.awt.*;
import java.awt.event.*;
import java.util.Vector;public class MyApp //extends Frame
{
public MyApp()
{ }
public static void main(String args[])
{
System.out.println("Starting App");
MyApp f = new MyApp();
Vector v = new Vector();
v.addElement(new Integer(8));
int i = ((Integer)v.elementAt(0)).intValue();
System.out.println(i);
System.exit(0);
}
}