public class CariDiMatriks {
    public static void main(String[] args) {
        int[][] data = {
            { 3,  7,  1 },
            { 8,  5,  9 },
            { 2, 14,  6 }
        };
        int target = 14;
        int barisKetemu = -1;
        int kolomKetemu = -1;

        pencarian:
        for (int b = 0; b < data.length; b++) {
            for (int k = 0; k < data[b].length; k++) {
                System.out.println("Memeriksa [" + b + "][" + k + "] = " + data[b][k]);
                if (data[b][k] == target) {
                    barisKetemu = b;
                    kolomKetemu = k;
                    break pencarian;   // keluar dari KEDUA loop sekaligus
                }
            }
        }

        System.out.println("Target " + target + " ditemukan di [" + barisKetemu + "][" + kolomKetemu + "]");
    }
}