public class TabNxn{
	public static void main(String[] args){
		for( int line = 1 ; line <=9；line ++){
			for( int colum = 1; colum <= line; colum++){
				//String.format()方法的使用，字串格式化
				String str = String.format(" %d * %d = %d ",colum, line, line*colum);
				System.out.print
 
(str);
			}
			System.out.println();
		}
	}
}

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