breakwithlabeldemo.java

来自「java语法规则应用与学习」· Java 代码 · 共 40 行

//数组学习
//在数组中查找元素（使用标号）
public class BreakWithLabelDemo 
{
    public static void main(String[] args) 
    {
        int[][] arrayOfInts = { { 32, 87, 3, 589 },
                           { 12, 1076, 2000, 8 },
                           { 622, 127, 77, 955 }
                         };
        int searchfor = 12;

        int i = 0;
        int j = 0;
        boolean foundIt = false;

    search:
        for ( ; i < arrayOfInts.length; i++) 
		{
            for (j = 0; j < arrayOfInts[i].length; j++) 
			{
                if (arrayOfInts[i][j] == searchfor) 
				{
                    foundIt = true;
                    break search;
	             }
            }
        }

        if (foundIt) 
		{
	       System.out.println("Found " + searchfor + " at " + i + ", " + j);
        } 
		else 
		{
           System.out.println(searchfor + "not in the array");
        }
    }
}