Core Java Programming Challenges #2 | Coding Challenges | Naresh IT

Core Java Programming Challenges #2 | Coding Challenges | Naresh IT

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[saravanakumaran]

instead of giving this kind of challenges give complete code explanation on core java that srinivas sir given for data structure and c programming

we also want mr. srinivas to give lectures on c++ and core java

[ShivaniSharma-fpgy]

Sir please provide code afterwards... So that we can check.

[SaritaSinghsarita]

public class challange2 {

public challange2() {
System.out.println("First Constructor");
}
public challange2(int i) {
this();
System.out.println("Second Constructor - " + i);
}
public challange2(int j, String k) {
this(2);
System.out.println("Third Constructor " + j +" " + k);
}
public static void main(String[] args) {
new challange2(20, "Main");
}
}


OutPut:

First Constructor
Second Constructor - 2
Third Constructor 20 Main

[codejayam]

public static void main(String[] args){
Test t =new Test(10, 20);
}
Test(int x, int y)
{
this.Test(x);
}
Test(int x)
{
this.Test();
}

[manojpal-kbcj]

this keyward is refrence variable that refer to the ✔✔✔current object✔✔✔ not a present object

[arabindamohanty]

Thanks a lot for such a wonderful session s

[jyotisankardas]

public class Main
{
public Main(){
this(10);
System.out.println("hi");
}
public Main(int x){
this(2, 6);

}
public Main(int z, int y){
System.out.println("by");
}
public static void main(String[] args)
{

Main m=new Main();

}
}

[sarmadrehman]

class Temp {
Temp () {
this( 5) ;

}
Temp(int x){
this (5, 10);
System.out.println("first");
}
Temp (int x, int y){
int c= x*y;
System.out.println(c);

}
}
public class Main {

public static void main(String[] args)
{Temp T = new Temp();
}}

[kaviapnasuno]

package p1;


public class A {

A(){
System.out.println("Hi");
}
A(int a){
this();

}
A(int b, String str){
this(20);
System.out.println("bye");

}
public static void main(String[] args) {
A a1=new A(10, "santosh");
}

}

[sreedharkamera]

public class reversestring {

int x=10;
int y=20;
reversestring()
{

System.out.println("Default constructor");
}
reversestring(int x)
{ this();
System.out.println("single instance constrctor");
}
reversestring(int x, int y)
{
this(10);
System.out.println("Multiple instance constrctor");
}

public static void main(String[] args)
{
reversestring rev= new reversestring(10, 20);
}
}

[SubhamKumar-wbcj]

sir please check:


public class Challenge_2 {
public Challenge_2()
{

System.out.println("hi");
}
public Challenge_2(int x)
{
this();
System.out.println("hello");
}
public Challenge_2(int i, int j)
{
this(i);
System.out.println("bye bye");
}
}
class UseChallenge_2{
public static void main(String[] args) {
Challenge_2 obj=new Challenge_2(2, 3);
}
}

[nishantraj]

public class Index {

Index(){

this("abc");
with no argument ");
}
Index(String s){
this(5, "abc");
with one argument ");
}
Index(int a, String s){
with Two argument");
}

public static void main(String[]args)
{
Index trial = new Index();
}
}

[pankajaklade]

class A
{
A()
{
System.out.println("this is default contsructor");
}
A(int x, int y)
{
this();
System.out.println("this is two int constructor : "+x+" "+y);
}
A(String x, double y)
{
this(10, 20);
System.out.println("this is string and float type constrctor : "+x+" "+y);
}
}
public class Test {

public static void main(String[] args) {

A a = new A("pankaj", 10.25);
}

}

[manojpal-kbcj]

package challenges;

public class challange_2 {

challange_2() {

System.out.println("hi");
}
challange_2(int x){
this();
System.out.println("hello");
}
challange_2(int x, int y ){
this(10);
System.out.println("bye");
}

public static void main(String[] args) {
challange_2 c2=new challange_2(10, 20);
}
}

[vivektiwari]

class Test
{
Test()
{
this(5);
System.out.println("Hii");
}
Test(int x)
{
this(5, 15);
System.out.println("Hello");
}
Test(int x, int y)
{
System.out.println("Bye");
}
public static void main(String args[])
{
Test t1=new Test();
}
}

[poonampatel-cnge]

class Challang2{

public Challang2(){

System.out.println("hi");
}
public Challang2(int a){
this();

}
public Challang2(int a, int b){
this(3);
int c=a+b;

System.out.println("hi"+c);
}
public static void main(String [] ar){


new Challang2(4, 7);
}
}

[YashPavaskar]

sir can we do this with super class?
class A
{
A()
{
System.out.println("This is A");
}
}
class B extends A
{
B()
{
super();
System.out.println("This is B");
}
}
class C extends B
{
C()
{
super();
System.out.println("This is C");
}
}
public class Challenge2
{
public static void main(String[] args)
{
C obj=new C();
}
}

[raviraj]

public class Test7 {
Test7() {
this(10);
System.out.println("0 Param construtor is called");

}

Test7(int x) {
this(12, 15);
System.out.println("1 int Param construtor is called");
}

Test7(int x, int y) {
System.out.println("2 Param construtor is called");
}

public static void main(String[] args) {
Test7 test = new Test7();

}

}

[shilpar]

public class SameClass {

SameClass()
{

}
SameClass(int arg)
{
this();
System.out.println("hi");
}
SameClass(int arg1, int arg2)
{
this(29);
System.out.println("Bye");
}
public static void main(String[] args) {
SameClass s= new SameClass(10, 20);
}
}

[RahulGupta-xcfg]

Public class xyz()
{
xyz() {
S. O. P("No parameter constructor is called") ;
Test(10) :
}

Xyz(int a)
{
Sysout("constructor with one parameter is called") ;
Test(65, 78)
}

Xyz(int a, int b)
{ Sysout("constructor with two parameter is called") ;
}

P. S. V. M(String arga[])
{
new xyz() ;
}
}

// Now all the three constructor will get called at once