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涓滆蔣Java絎旇瘯棰橀檮甯︾瓟妗?PDF 涓嬭澆
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閾炬帴錛?a target="_blank">https://pan.baidu.com/s/1TrWeWbMgl7G7qQ2C_NE9xQ
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涓€銆侀€夋嫨棰橈紙娌℃湁娉ㄦ槑澶氶€夛紝鍒欎負(fù)鍗曢€夛級
1銆佷笅鍒楀彉閲忓畾涔夐敊璇殑鏄€€
A.int a;
B.double b=4.5;
C.boolean b=true;
D.float f=9.8; (9.8f)
2銆?+5%3+2鐨勫€兼槸
A.2
B.1
C.9
D.10
3銆佸浜庝竴涓笁浣嶇殑姝ｆ暣鏁?n錛屽彇鍑哄畠鐨勫崄浣嶆暟瀛梜錛坘涓烘暣鍨嬶級鐨勮〃杈懼紡鏄?nbsp;
A.k = n / 10 % 10
B.k = ( n - n / 100 * 100 )%10
C.k = n % 10
D.k = n / 10
4銆佷笅鍒楄鍙ュ簭鍒楁墽琛屽悗錛宬 鐨勫€兼槸
1.int x=6, y=10, k=5;
2.switch( x % y )
3.{
4. case 0: k=x*y;
5. case 6: k=x/y;
6. case 12: k=x-y;
7. default: k=x*y-x; (default 浣嶇疆鍙互鏀瑰彉)
8.}
A.60
B.5
C.0
D.54
5銆佷笅鍒楄鍙ュ簭鍒楁墽琛屽悗錛宨鐨勫€兼槸錛?/div>
1.int i = 10;
2.do { i/=2; } while( i-- > 1 ); 10540-1
A.1
B.5
C.2
D.-1
6銆佸湪鏌愪釜綾諱腑瀛樺湪涓€涓柟娉曪細(xì)void getSort(int x),浠ヤ笅鑳戒綔涓鴻繖涓柟娉曠殑閲嶈澆鐨勫０鏄庣殑鏄細(xì)錛堝悓涓€涓柟娉曚腑鍙傛暟涓嶅悓錛岃繑鍥炲€肩被鍨嬪彲浠ヤ笉鍚屼篃鍙互鐩稿悓錛?/div>
A.public getSort(float x) 娌℃湁榪斿洖綾誨瀷 涓€瀹氭槸鏋勯€犲嚱鏁?涓嶈兘閲嶈澆
B.int getSort(int y)錛堝弬鏁頒竴鏍蜂笉鏄噸杞斤級
C.double getSort(int x,int y) 錛堝弬鏁頒笉涓€鏍鋒槸閲嶈澆錛?/div>
D.void get(int x, int y)
7銆佷笅鍒楀摢涓槸鍚堟硶鐨凧ava鏍囪瘑絎︼細(xì)(涓や釜絳旀) B C
A.Tree&Glasses
B.FirstJavaApplet
C._$theLastOne
D.273.5
8銆佽 a = 8錛屽垯琛ㄨ揪寮?nbsp; a >>> 2 鐨勫€兼槸錛欳 錛堟棤絎﹀彿鍙崇Щ鍔級宸︾Щ鏄箻 鍙蟲槸闄?/div>
A.1
B.2
C.3
D.4
9銆佷笅闈㈢殑紼嬪簭鍚嶄負(fù)Student.java
1.public class Student
2.{
3.private String name;
4.public Student(String s_name) //1 鏋勯€犲嚱鏁?/div>
5.{
6. name = s_name; //2
7.}
8.public static void main(String args[])
9.{
10. Student s = new Student(); //3
11.}
12.}
浣跨敤濡備笅鎸囦護(hù)緙栬瘧錛歫avac Student.java灝嗕細(xì)寰楀埌浠€涔堢粨鏋滐紵
A.灝嗕細(xì)欏哄埄閫氳繃緙栬瘧錛屽茍灝嗕駭鐢熶竴涓猄tudent.class鐨勭被鏂囦歡
B.緙栬瘧鏃跺湪//3澶勫嚭閿?/div>
C.緙栬瘧鏃跺湪//2澶勫嚭閿?/div>
D.緙栬瘧鏃跺湪//1澶勫嚭閿?/div>
10銆佷笅闈㈤€夐」涓兘鎶婂瓧絎︿覆杞崲鎴恌loat綾誨瀷鐨勬槸錛? B
A.float value = new Float(str); 鍒涘緩涓€涓璞?/div>
B.float value = Float.parseFloat(str)錛?nbsp;
C.float value = Float.floatValue(str);
D.float value = (new Float()).parseFloat(str);
11銆佷笅杈圭▼搴忚繍琛岀殑緇撴灉鏄紵 瀹炰緥鍖栧瓙綾誨璞¤鐪嬬埗綾?/div>
1.class Base { //鐖剁被
2. Base() { System.out.print("Base"); } //鐖剁被涓瀯閫犲嚱鏁?/div>
3.}
4.public class Alpha extends Base {
5. public static void main( String[] args ) {
6. new Alpha(); //瀹炰緥鍖栬嚜宸遍鍏堣瀹炰緥鍖栧叾鐖剁被
7. new Base(); //瀹炰緥鍖栫埗綾?/div>
8. }
9. }
A.Base
B.BaseBase
C.紼嬪簭緙栬瘧澶辮觸.
D.紼嬪簭榪愯浣嗘病鏈変換浣曡緭鍑?/div>
12銆佷笅闈㈢▼搴忚繍琛岀殑緇撴灉鏄紵 A 鍊間紶閫?/div>
1.public class X {
2. private static int a;
3. public static void main(String [] args) {
4. modify(a);
5. System.out.println(a);
6.}
7. public static void modify(int a) {
8. a++;
9. }
10.}
A.0
B.1
C.紼嬪簭緙栬瘧澶辮觸
D.紼嬪簭鎶涘嚭寮傚父
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鑻忓叕緗戝畨澶?32061202001004鍙?/p>
