编辑代码

public class Main {
	public static void main(String[] args) {
        int totalLevel =8;//改变数值就改变金字塔的层数
        for (int i = 1;i<=totalLevel;i++){
            for (int j=1;j<=2*(totalLevel-1)+1;j++){
                if(j>=totalLevel-i+1 && j<=totalLevel+i-1){
                    System.out.print("*");
                }else{
                 System.out.print(" ");
                }
            }
            System.out.println("");
        }
	}
}