Program to print upper half diamond.
class h
{
public static void main(String ar[])
{
int i,j,k;
for(i=1;i<=5;i++)
{
int c=1;
for(j=4;j>=i;j--)
{
System.out.print(" ");
}
for(k=1;k<=i;k++)
{
System.out.print("*");
System.out.print(" ");
}
System.out.print("\n");
}
}
}
Program to print 1
1 2
1 2 3
1 2 3 4
class i
{
public static void main(String ar[])
{
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++)
{
System.out.print(j);
}
System.out.print("\n");
}
}
}
Program to print 1
1 2
1 2 3
1 2 3 4
class j
{
public static void main(String ar[])
{
int i,j,k;
for(i=1;i<=5;i++)
{
int c=1;
for(j=4;j>=i;j--)
{
System.out.print(" ");
}
for(k=1;k<=i;k++)
{
System.out.print(k);
System.out.print(" ");
}
System.out.print("\n");
}
}
}
Program to print 1 2 3 4
1 2 3
1 2
1
class k
{
public static void main(String ar[])
{
int i,j,k;
for(i=4;i>0;i--)
{
for(j=4;j>i;j--)
{
System.out.print(" ");
}
for(k=1;k<=i;k++)
{
System.out.print(k);
}
System.out.print("\n");
}
}
}
Program to print 1
1 0
1 0 1
1 0 1 0
1 0 1 0 1
class m
{
public static void main(String ar[])
{
int i,j,k;
for(i=1;i<=5;i++)
{
int c=1;
for(j=4;j>=i;j--)
{
System.out.print(" ");
}
for(k=1;k<=i;k++)
{
System.out.print(c);
System.out.print(" ");
if(c==1)
{
c=0;
}
else
{
c=1;
}
}
System.out.print("\n");
}
}
}