鍦↗ava涓紝case璇彞閫氬父涓?code>switch璇彞涓€璧蜂娇鐢紝鐢ㄤ簬灏嗕笉鍚岀殑鍊间笌涓€绯诲垪鍙兘鐨勯€夐」杩涜姣旇緝銆?/p>

涓嬮潰鏄?code>switch璇彞鐨勫熀鏈娉曪細

switch (expression) {
    case value1:
        // 褰揺xpression涓巚alue1鍖归厤鏃舵墽琛岀殑浠ｇ爜
        break;
    case value2:
        // 褰揺xpression涓巚alue2鍖归厤鏃舵墽琛岀殑浠ｇ爜
        break;
    ...
    default:
        // 褰揺xpression涓庝笂杩版墍鏈夊€奸兘涓嶅尮閰嶆椂鎵ц鐨勪唬鐮?/span>
}

expression鏄竴涓〃杈惧紡锛岄€氬父鏄竴涓彉閲忔垨甯搁噺銆?code>value1銆?code>value2绛夋槸鍙互涓?code>expression杩涜姣旇緝鐨勫€笺€?/p>

褰?code>expression鐨勫€间笌鏌愪釜case鍚庨潰鐨勫€煎尮閰嶆椂锛岀▼搴忓皢鎵ц涓庤case璇彞鐩稿叧鐨勪唬鐮侊紝鐒跺悗閫氳繃break璇彞璺冲嚭switch璇彞銆傚鏋滄病鏈夊尮閰嶇殑case璇彞锛岀▼搴忓皢鎵цdefault鍚庨潰鐨勪唬鐮侊紙鍙€夛級銆?/p>

涓嬮潰鏄竴涓畝鍗曠殑渚嬪瓙锛屾紨绀轰簡switch璇彞鐨勪娇鐢細

int dayOfWeek = 2;
String dayName;

switch (dayOfWeek) {
    case 1:
        dayName = "Monday";
        break;
    case 2:
        dayName = "Tuesday";
        break;
    case 3:
        dayName = "Wednesday";
        break;
    case 4:
        dayName = "Thursday";
        break;
    case 5:
        dayName = "Friday";
        break;
    case 6:
        dayName = "Saturday";
        break;
    case 7:
        dayName = "Sunday";
        break;
    default:
        dayName = "Invalid day";
        break;
}

System.out.println(dayName); // 杈撳嚭 "Tuesday"

鍦ㄤ笂闈㈢殑渚嬪瓙涓紝dayOfWeek鐨勫€间负2锛屼笌case 2鍖归厤锛屽洜姝?code>dayName琚祴鍊间负"Tuesday"銆?/p>