public class Test{

     Int x=1;

     Int y;

   Public static void main(String args[]){

       Int z=2;

Test t =new Test():

System.out.printlnn(t.x +t.y +z);

}

}

Private static int x=0;

 Public static void main(String[] args) {

   Name(x);

      System.out.println(x);}

Public static void name (int x){

   X++;}}

 class Test {

     Public static void main (String[] args) {

       AClass ref1=new AClass(5);

       AClass ref2=new AClass(10);

       System.out.println(ref1.add(ref2));

}

}

class AClass {

Private int =x;

AClass(int x) {

  this.x=x

}

int add(AClass ref) {

Return ref.x +this.x;

}

}

public class Main {

static String s;

public static void main(String args[]){

    char c=s.charAt(0);

    System.out.println(c);

}  }

try {

   System.out.print(“try,”);

   return;

}  catch (Exception e) {

System.out.print(“catch,”);

} finally {

System.out.print(“finally”);

}

34.读程序，运行结果是（）？

class Parent {

String one,two;

public  Parent (String a,String b) {

  one=a;

  two=b;

}

public  void print(){

System.out.println(one);

}

}

class Child extends Parent {

   public Child(String a,String b){

    super(a,b);

}

Public void print() {

  System.out.println(one + “to” +two);

}

public static void main(String arg[])  {

Parent p=new parent(“south”,”north”);

Parent t=new Child(“east”,”west”);

p.print();

t.print();

}

}

Public class TreeMapExample {

   Public static void main(String[] args) {

TreeMap mTreeMap =new TreeMap();

mTreeMap.put(“19040203”,81);

mTreeMap.put(“19040204”,92);

mTreeMap.put(“19040201”,65);

mTreeMap.put(“19040202”,71);

mTreeMap.put(“19040205”,78);

mTreeMap.put(“19040206”,84);

Set<String> mSet = mTreeMap.keySet():

For (String key :mSet) {

System.out.print(mTreeMap.get(key) +” “);

}

}         

 }

public class HashMapExample2 {

    public static void main(String[] args) {

        HashMap<String, Integer> mHashMap = new HashMap<>();

        mHashMap.put("19040201", 65);

        mHashMap.put("19040202", 71);

        mHashMap.put("19040203", 81);

        mHashMap.put("19040204", 92);

        mHashMap.put("19040205", 78);

        mHashMap.put("19040206", 84);

        Set<String> mSet = mHashMap.keySet();

        for (String key : mSet) {

            System.out.print( mHashMap.get(key) + " ");

        }

}

}