runtimeexception寮傚父鎬庝箞澶勭悊
澶勭悊RuntimeException寮傚父鏈変互涓嬪嚑绉嶆柟寮忥細
- 鎹曡幏骞跺鐞嗗紓甯革細浣跨敤try-catch璇彞鎹曡幏RuntimeException寮傚父锛屽苟鍦╟atch鍧椾腑杩涜鐩稿簲鐨勫鐞嗐€傚鐞嗘柟寮忓彲浠ユ槸鎵撳嵃寮傚父淇℃伅銆佽褰曟棩蹇椼€佽繑鍥為粯璁ゅ€肩瓑銆?/li>
try {
// 鍙兘浼氭姏鍑篟untimeException寮傚父鐨勪唬鐮?/span>
} catch (RuntimeException e) {
// 寮傚父澶勭悊閫昏緫
}
- 鎶涘嚭寮傚父锛氬鏋滃綋鍓嶆柟娉曚笉閫傚悎澶勭悊RuntimeException寮傚父锛屽彲浠ラ€夋嫨灏嗗紓甯告姏鍑虹粰璋冪敤鑰呭鐞嗐€備娇鐢╰hrows鍏抽敭瀛楀湪鏂规硶绛惧悕涓0鏄庡彲鑳芥姏鍑虹殑RuntimeException寮傚父銆?/li>
public void method() throws RuntimeException {
// 鍙兘浼氭姏鍑篟untimeException寮傚父鐨勪唬鐮?/span>
}
-
淇浠g爜閫昏緫锛氭湁鏃禦untimeException寮傚父鏄敱浜庝唬鐮侀€昏緫閿欒寮曡捣鐨勶紝鍙互閫氳繃淇浠g爜閫昏緫鏉ラ伩鍏嶅紓甯哥殑鍙戠敓銆?/p>
-
浣跨敤鏂█锛氫娇鐢ㄦ柇瑷€锛坅ssert锛夊彲浠ュ浠g爜閫昏緫杩涜妫€鏌ワ紝閬垮厤杩愯鏃跺嚭鐜癛untimeException寮傚父銆傛柇瑷€鍙互鍦ㄥ紑鍙戝拰娴嬭瘯闃舵浣跨敤锛屼絾鍦ㄧ敓浜х幆澧冧腑浼氳绂佺敤銆?/p>
assert (鏉′欢) : "閿欒淇℃伅";
- 閬垮厤绌烘寚閽堝紓甯革細NullPointerException鏄竴绉嶅父瑙佺殑RuntimeException寮傚父锛屽彲浠ラ€氳繃鍒ゆ柇瀵硅薄鏄惁涓虹┖鏉ラ伩鍏嶇┖鎸囬拡寮傚父鐨勫彂鐢熴€?/li>
if (object != null) {
// 瀵硅薄涓嶄负绌烘椂鐨勫鐞嗛€昏緫
}
闇€瑕佹牴鎹叿浣撴儏鍐甸€夋嫨鍚堥€傜殑澶勭悊鏂瑰紡锛屼互淇濊瘉浠g爜鐨勫仴澹€у拰鍙潬鎬с€?/p>
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