Floyd's Triangle Examples

/*
1. Example:
1
01
101
0101

*/


public class FloydsTriangle{

/**
* @param args
*/
public static void main(String[] args) {

for(int i=1;i<5;i++){
for(int j=1;j<=i;j++){


if( i == j){
System.out.print("1");
} else if( (i+j)%2 == 0){
System.out.print("1");
}else{
System.out.print("0");
}
}
System.out.println(" ");

}

}

}

/*

Output:

1
01
101
0101

*/

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2.Example :


1
22
333
4444
55555
55555
4444
333
22
1

public class FloydsTriangle2{

/**
 * @param args
 */
public static void main(String[] args) {

for(int i=1;i<=5;i++){

for(int j=1;j<=i;j++){

System.out.print(i);

}

System.out.println("");

}

for(int i=5;i>0;i--){

for(int j=1;j<=i;j++){

System.out.print(i);

}

System.out.println("");

}

}

}

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3.Example

1 

22 

333 

4444 

55555 

public class FloydsTriangle2{

/**
 * @param args
 */
public static void main(String[] args) {

for(int i=1;i<=5;i++){

for(int j=1;j<=i;j++){

System.out.print(i);

}

System.out.println(" ");

}

}

}

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4. Example


1
12
123
1234
12345

for(int i=1;i<=5;i++){

for(int j=1;j<=i;j++){

System.out.print(j);

}

System.out.println(" ");

}

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