// Program to use Wrapper class with switch statement.class  Wrapper6{public static void main(String args[ ]) { Integer iOb = 2;  switch(iOb)  {  case 1:    System.out.println("one");   break;  case 2:    System.out

// Program to use Boolean Wrapper classclass  WrapperBoolean{public static void main( String args[ ] ){ Boolean b1 = new Boolean(false); Boolean b2 = new Boolean("true"); System.out.println(b1.booleanValue()); System.out.println(b2.booleanValue());}}Output:falsetrue

//  Program to use expression with Wrapper classes.class Wrapper5{public static void main(String args[ ]) { Integer iOb = 100; Double dOb = 123.45; dOb = dOb + iOb; System.out.println("dOb after expression: " + dOb);}}Output:dOb after expression: 223.45

// Program to explain Wrapper class Boolean and Character.class  Wrapper4{public static void main(String args[ ]) { Boolean bOb = true; if (bOb) {  System.out.println("bOb is true"); }  Character cOb = 'b';  char ch = cOb; System.out.printl

//  Program to explain Wrapper class with function.class  Wrapper3{static int func(Integer v) { return v ; }public static void main(String args[ ]) { Integer iOb = func(100); System.out.println(iOb);}}Output:100

// Program to explain Auto-Boxing and Auto-Unboxing.class Wrapper2{public static void main( String args[ ] ){ // Autoboxing Integer iOb = 100;   // Auto-unboxing int i = iOb;   System.out.println(i + " : " + iOb); }}Output:100 : 100

//  Program to use Simple Wrapper Class.class  Wrapper1{public static void main( String args[ ] ){ // Boxing Integer  iOb = new Integer(100); // Unboxing int i = iOb.intValue(); System.out.println(i + " : " + iOb); }}Output:100 : 100

//  Program to use enum in an application.import java.util.Random;enum  Answers {NO, YES, MAYBE, LATER, SOON, NEVER}class Question {Random rand = new Random();Answers ask() { int prob = (int) (100 * rand.nextDouble()); if (prob < 15)  return Answers.MAYBE;