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while_basic.txt
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while_basic.txt
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import java.util.Scanner;
public class While {
public static void main(String[] args){
Scanner sc= new Scanner(System.in);
1)1---->100
int i=1;
while(i<=100){
System.out.println(i);
i++;
}
---------------------------------------
2)100--->1
int i=100;
while(i>=1){
System.out.println(i);
i--;
}
-----------------------------------------
3)1---->100 even numbers print
int i=1;
while(i<=100){
if(i%2==0){
System.out.println(i);
}
i++;
}
--------------------------------------------
4) 100--->1 even number
int i=100;
while(i>=1){
if(i%2==0){
System.out.println(i);
}
i--;
}
-------------------------------------------------
5)1---->100 odd numbers
int i=1;
while(i<=100){
if(i%2==1){
System.out.println(i);
}
i++;
}
--------------------------------------------------
6)50---->500 number print
int i=50;
while(i<=500){
System.out.println(i);
i++;
}
-----------------------------------------
7)500--->50 number print
int i=500;
while(i>=50){
System.out.println(i);
i--;
}
------------------------------------------------
8)50--->1000 even number
int i=50;
while(i<=1000){
if(i%2==0){
System.out.println(i);
}
i++;
}
--------------------------------------------------
9)user input
34-----67
int i;
System.out.print("Enter a number: ");
i= sc.nextInt();
if(i<67){
while(i<=67){
System.out.println(i);
i++;
}
}
else{
System.out.println("Enter a number less than 67");
}
------------------------------------------------------
10) random two 34-->67
even number
int n1, n2;
System.out.print("Enter number 1: ");
n1= sc.nextInt();
System.out.print("Enter number 2: ");
n2= sc.nextInt();
if(n1>n2){
while(n1>=n2){
if(n1%2==0){
System.out.println(n1);
}
n1--;
}
}
else if(n2>n1){
while(n1<=n2){
if(n1%2==0){
System.out.println(n1);
}
n1++;
}
}
else{
System.out.println("both numbers are same");
}
Output:
Enter number 1: 34
Enter number 2: 67
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66
-----------------------------------------
11) random two 34-->67
oddd number
int n1, n2;
System.out.print("Enter number 1: ");
n1= sc.nextInt();
System.out.print("Enter number 2: ");
n2= sc.nextInt();
if(n1>n2){
while(n1>=n2){
if(n1%2==1){
System.out.println(n1);
}
n1--;
}
}
else if(n2>n1){
while(n1<=n2){
if(n1%2==1){
System.out.println(n1);
}
n1++;
}
}
else{
System.out.println("both numbers are same");
}
Output:
Enter number 1: 34
Enter number 2: 67
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67
---------------------------------------------
12)1--->10 sum (addition)
int i=1, sum=0;
while(i<=10){
sum+=i;
i++;
}
System.out.println("Sum: " + sum);
Output:
Sum: 55
-----------------------------------------------------------
13)2 table print
int i=1, table;
while(i<=10){
table= 2*i;
System.out.println("2 * " + i + " = " + table);
i++;
}
Output:
2 * 1 = 2
2 * 2 = 4
2 * 3 = 6
2 * 4 = 8
2 * 5 = 10
2 * 6 = 12
2 * 7 = 14
2 * 8 = 16
2 * 9 = 18
2 * 10 = 20
-------------------------------------------
14)user input table
int n, i=1, table;
System.out.print("Enter a number: ");
n= sc.nextInt();
while(i<=10){
table= n*i;
System.out.println(n + " * " + i + " = " + table);
i++;
}
Output:
Enter a number: 4
4 * 1 = 4
4 * 2 = 8
4 * 3 = 12
4 * 4 = 16
4 * 5 = 20
4 * 6 = 24
4 * 7 = 28
4 * 8 = 32
4 * 9 = 36
4 * 10 = 40
--------------------------------------------------
15)2 3 4 5 6 7 8 9 10 table print (nested while)
type2:
5 ----9 table
-------------------------------------------------------
16)1-->100 (7 and 3 k multiple se divisible ho)
---------------------------------------------------
17) divide number both 5 and 11 (1---->100)
int i=1;
while(i<=100){
if(i%5==0 && i%11==0){
System.out.println(i);
}
i++;
}
Output:
55
--------------------------------------------------------
18)100----1 (5 or 11)
int i=100;
while(i>=1){
if(i%5==0 || i%11==0){
System.out.println(i);
}
i--;
}
Output:
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----------------------------------
19)2 table oppsite print
-------------------------------------------------
20)100--->1 (n or m k multiple se divisible ho)
-----------------------------------------------------
21)
constant :
2 X 1 =2
user input :
9 X 1 = 9
-------------------------------------------------------------------------
22)
1--->100 even number sum
int i=1, sum=0;
while(i<=100){
if(i%2==0){
sum += i;
}
i++;
}
System.out.println("Sum of even numbers from 1 to 100: " + sum);
Output:
Sum of even numbers from 1 to 100: 2550
------------------
23)
1---->100 odd number ka sum
int i=1, sum=0;
while(i<=100){
if(i%2==1){
sum += i;
}
i++;
}
System.out.println("Sum of even numbers from 1 to 100: " + sum);
Output:
Sum of even numbers from 1 to 100: 2500
}
}
}