Hi friend,

import java.io.*;

public class TrianglesTest{
final static int WIDTH = 10;
public static void main(String[] param) throws IOException{
InputStreamReader m = new InputStreamReader(System.in);
BufferedReader n = new BufferedReader(m);
System.out.print("Give me the size of each triangle : ");
int size = Integer.parseInt(n.readLine());
System.out.print("The number of triangles you want to output in each row : ");
int noOfTriangles = Integer.parseInt(n.readLine());
System.out.print("The number of rows of triangles you want to output : ");
int noOfRows = Integer.parseInt(n.readLine());
raster(size, noOfTriangles, noOfRows);
}

public static void raster(int a, int b, int c){
String result = "";

for(int Rows=1; Rows<=c; Rows++){
for(int triangles=1; triangles<=b; triangles++){

for (int i = 1; i < 6; i++) {
for (int j = 1; j < i+1; j++) {
System.out.print("*");
}
System.out.println(" ");
}

}
}
}
}

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