1> Print max. number among multiple numbers?
public class MyMaxNum
{
public static void main(String[] args)
{
int[] m={12,23,85,1004,65,19,46,700,12,300};
int largst=0;
for (int i = 0; i < m.length; i++)
{
{
largst=m[i];
}
for (int i = 0; i < m.length; i++)
{
{
if(m[i]>largst)
{
largst=m[i];
}
}
System.out.println("Maximum Number:"+largst);
}
}
OutPut: Maximum Number: 1004
2> Print min. number among multiple numbers?
public class MyMinNum
{
public static void main(String[] args)
{
int[] m={12,23,85,1004,65,19,46,700,12,300};
int min=0;
for (int i = 0; i < m.length; i++)
{
{
min=m[i];
}
for (int i = 0; i < m.length; i++)
{
{
if(m[i]>min)
{
min=m[i];
}
}
System.out.println("Minimum number:"+min);
}
}
OutPut: Minimum number: 12
3> Print multiple of 3?
public class MyMultiple
{
public static void main(String[] args)
{
for (int i = 1; i < 20; i++)
{
if(i%3==0)
{
System.out.print(i+",");
}
}
}
}
OutPut: 3,6,9,12,15,18,
4> Print Fabbonocci series?
public void MyFabonocci
{
public static void main(String[] args)
{
// fabonocci series 0,1,1,2,3,5,8,13,21
int a=0; int b=1; int c=0;
System.Out.Print(a+","+b);
for(int i=0;i<7;i++)
{
c=a+b;
System.Out.Print(","+c);
a=b;
b=c;
}
}
}
OutPut: 0,1,1,2,3,5,8,13,21
5> find out Factorial of 5?
package Test;
public class TestCalss
{
public static void main(String[] args)
{
int res=1;
// here give i value as factorial number for which you required.
for (int i = 5; i>0; i--)
{
res=res*i;
}
System.out.println(res);
}
}
OutPut: 120
6> How to print power of a number?
/// Example for 10^3
// Here base is 10 and exponential is 3
package test;
public class TestCalss
{
public static void main(String[] args)
{
int base=10;
int exp=3;
int res=1;
while(exp!=0)
{
res=res*base;
exp--;
}
System.out.println(res);
}
}
7> Print sum of Natural number upto 20?
package Test;
public class TestCalss
{
public static void main(String[] args)
{
int res=0;
for (int i =0; i <=20; i++)
{
res=res+i;
}
System.out.println(res);
}
}
OutPut: 210
8> print ODD number upto 20
public class TestCalss
{
public static void main(String[] args)
{
//odd number
//1,3,5,7,9,11,13,15,17,19
for (int i = 1; i <20; i++)
{
if(i%2==1)
{
System.out.println(i+",");
}
}
}
}
OutPut: 1,3,5,7,9,11,13,15,17,19,
9> print EVEN number upto 20
public class TestCalss
{
public static void main(String[] args)
{
//Even number
for (int i = 1; i <20; i++)
{
if(i%2==0)
{
System.out.println(i+",");
}
}
}
}
OutPut: 2,4,6,8,10,12,14,16,18,20,
10> Print prime numbers up to 100?
for (int i = 1; i <100; i++)
{
boolean m=true;
for (int j = 2; j <i; j++)
{
if(i%j==0)
{
m=false;
}
}
if(m)
{
System.out.print(i+" ");
}
}
Output: 1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
public void MyFabonocci
{
public static void main(String[] args)
{
// fabonocci series 0,1,1,2,3,5,8,13,21
int a=0; int b=1; int c=0;
System.Out.Print(a+","+b);
for(int i=0;i<7;i++)
{
c=a+b;
System.Out.Print(","+c);
a=b;
b=c;
}
}
}
OutPut: 0,1,1,2,3,5,8,13,21
5> find out Factorial of 5?
package Test;
public class TestCalss
{
public static void main(String[] args)
{
int res=1;
// here give i value as factorial number for which you required.
for (int i = 5; i>0; i--)
{
res=res*i;
}
System.out.println(res);
}
}
6> How to print power of a number?
/// Example for 10^3
// Here base is 10 and exponential is 3
package test;
public class TestCalss
{
public static void main(String[] args)
{
int base=10;
int exp=3;
int res=1;
while(exp!=0)
{
res=res*base;
exp--;
}
System.out.println(res);
}
}
OutPut: 1000
7> Print sum of Natural number upto 20?
package Test;
public class TestCalss
{
public static void main(String[] args)
{
int res=0;
for (int i =0; i <=20; i++)
{
res=res+i;
}
System.out.println(res);
}
}
8> print ODD number upto 20
public class TestCalss
{
public static void main(String[] args)
{
//odd number
//1,3,5,7,9,11,13,15,17,19
for (int i = 1; i <20; i++)
{
if(i%2==1)
{
System.out.println(i+",");
}
}
}
}
9> print EVEN number upto 20
public class TestCalss
{
public static void main(String[] args)
{
//Even number
for (int i = 1; i <20; i++)
{
if(i%2==0)
{
System.out.println(i+",");
}
}
}
}
10> Print prime numbers up to 100?
for (int i = 1; i <100; i++)
{
boolean m=true;
for (int j = 2; j <i; j++)
{
if(i%j==0)
{
m=false;
}
}
if(m)
{
System.out.print(i+" ");
}
}
Output: 1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
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