Java Number Pattern

1 
1 2
1 2 3 
1 2 3 4 
1 2 3 4 5
public class PatternExample{
public static void main(String[] args){
    for(int i=1;i<=5;i++){
        for(int j=1;j<i+1;j++){
            System.out.print(j);
        }
        System.out.println();
    }
}

}

Java Number Pattern

1
2 3
3 4 5
4 5 6 7
5 6 7 8 9
6 7 8 9 10

public class PatternExample{
public static void main(String[] args){
    StringBuffer buffer=new StringBuffer();
    int size = 6;
      int c;
      for(int row = 1; row <= size; ++row){
         c = row;
         for(int j = 0;  j < row;  ++j){
         buffer.append(c);
         if(++c > 9){
         c = 10;
            }
         }
         buffer.append("\n");
      }
      System.out.println(buffer.toString().replace("1010","10"));
   }
}