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C.import java.io.* ;

D.import java.awt.Graphics ;

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2.{ public float aFun(float a, float b) throws 3. IOException { } 4.}

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A.public B.class C.interface D.static 231.¶¨ÒåÒ»¸ö½Ó¿Ú±ØÐëʹÓõĹؼü×ÖÊÇ( C )

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A) aceg B) ACEG C) abcdefg D) abcd 239.ÓÐÕûÐÍÊý×é:int[] x={12,35,8,7,2};,Ôòµ÷Ó÷½·¨Arrays.sort(x)ºó,Êý×éxÖеÄÔªËØÖµÒÀ´ÎÊÇ( ).

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boolean b2=(s1==s2);

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boolean b = integ instanceof Object;

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public class Test {

public static void main(String args[]) { int k1=args.length;

int k2=args[1].length(); System.out.print(k1+\ \ } }

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for(int i=0;i

}

System.out.println(\

A) 32 B)11 C) 2 D) 3 248.Ó¦ÓóÌÐòµÄmain·½·¨ÖÐÓÐÒÔÏÂÓï¾ä,ÔòÖ´ÐкóÊä³öµÄ½á¹ûÊÇ ( ).

int[] x={125,21,5,168,98}; int max=x[0];

for(int i=1;i max) max =x[i]; }

System.out.println(max);

A) 125 B) 5 C) 98 D) 168 249.³ÌÐòTest.java±àÒëÔËÐкóÊä³öµÄ½á¹ûÊÇ( ).

public class Test {

String s1=\

public static void main(String args[]) { int z=2;

Test t=new Test(); System.out.println(t.s1+z); } }

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double x=Double.parseDouble(s1); int y=Integer.parseInt(s2); System.out.println(x+y);

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import java.io.*; public class Test {

public static void main(String args[]) { try { String s=\ byte b[]=s.getBytes(); FileOutputStream file=new FileOutputStream(\ file.write(b); file.close(); } catch(IOException e) { System.out.println(e.toString()); } } }

A) ABCABC B) ABCDE C) Test D) ABCDE ABCDE ABCDE

252.µ±Ä³Ò»Ïß³ÌÕý´¦ÓÚÐÝÃß״̬,¶øÁíÒ»¸öÏß³ÌÓà Thread ÀàÖÐµÄ interrupt() ·½·¨ÖжÏËüʱ,Å׳öµÄÒì³£ÀàÐÍÊÇ( ).

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