1、Java一判斷題（每小題1分，共10分 （ void（ （ 在Java中對象可以賦值，只要使用賦值號（等號）即可，相當(dāng)于生成了一個各屬性與（ ）程序中拋出異常時(throw二單選題（每小題2分，共40分 A、 String B、String C、Char D、StringBufferA、B、C、D、A、B、C、D、A、B、C、D、A、B、C、D、 A、B、C、D、public class Personstatic int arr = new int5; publicstaticvoidmain(StringSystem.out.println(arr0); C、輸出D、輸出A、B、C、int

2、x =3；int y =10； A、-B、C、D、2.public class 3. /do A、import B、packageC、class D、publicclassMyClassa= b=Integer.valueOf(“12”).intValue();A、a，b B、ab C、ab D、abFilterOutputStreamA、B、C、D、在編寫Java Applet程序時，需在程序的開頭寫語句A、import java.awt.* ;B、import java.applet.Applet; C、import java.io.* ;D、import java.awt.Graphic

3、s ;publicclass public float aFun(floata,floatb) IOException 5public class Child extends Parent A、float aFun(float a, float bB、public int aFun(inta,intb)throws Exception C、public float aFun(float p, float q) D、public int aFun(inta, int b)throwsIOExceptionA、B、C、private D、ReturnType method(bytex,double

4、return(short)A、B、C、D、String StringBuffer s1=new StringBuffer(abcde); class protectied String toString( return 4. 三程序閱讀題（每小題5分，共20分class publicstaticvoidmain(StringString Strings2=newString(hello); publicclasspublicstaticvoidmain(String args) int i , j ;int a = for (i=0;ia.length-1;i+) int k = i;for

5、(j=i;ja.length; j+) if ( ajak ) k = j;int temp=ai; ai = ak; ak = temp;for ( i =0 ; ia.length; i+ ) System.out.print(ai+ );System.out.println(import java.io.*; publicclassTestFilepublicstaticvoidmain(Stringargs)throwsBufferedReaderbr=newBufferedReader( new BufferedWriterbw=newBufferedWriter(newFileWriter(“input.txt); String s;while System.out.print( if(s.length()=0)break; class Animal Animal()System.out.print(Animal ); class Dog extends Animal Dog() System.out.print(Dog); publics