Pyramid

Pyramid.java

int rows = 4;
for(int i = 0; i < rows; i++) {
	StringBuilder builder = new StringBuilder();
	for(int i2 = 0; i2 < i; i2++) {
		builder.append(" ");
	}

	for(int i2 = 0; i2 <= i; i2++) {
		builder.append("*");
		if(i2 > 0) {
			builder.append(" ");
		}
	}
	
	System.out.println(builder.toString());
}