interfaceDeclareStuff{publicstaticfinalintEASY=3;voiddoStuff(intt);}publicclassTestDeclareimplementsDeclareStuff{publicstaticvoidmain(String[]args){intx=5;newTestDeclare().doStuff(++x);}voiddoStuff(ints){s+=EASY+++s;System.out.println(”s+s);}}Whatistheres

题目

interfaceDeclareStuff{publicstaticfinalintEASY=3;voiddoStuff(intt);}publicclassTestDeclareimplementsDeclareStuff{publicstaticvoidmain(String[]args){intx=5;newTestDeclare().doStuff(++x);}voiddoStuff(ints){s+=EASY+++s;System.out.println(”s+s);}}Whatistheresult?()

A.s14

B.s16

C.s10

D.Compilationfails.

E.Anexceptionisthrownatruntime.


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  • 第1题:

    填空(只能填一条语句),实现a,b的值的交换。 int t,a=3,b=4; () a=b; b=t;


    正确

  • 第2题:

    【单选题】以下数组初始化形式正确的是

    A.int t1[ ][ ]={{1,2},{3,4},{5,6}}

    B.int t2[ ][ ]={1,2.3,4,5,6}

    C.int t3[3][2]={1,2.3,4,5,6}

    D.int t4[ ][ ]; t4={1,2.3,4,5,6}


    int t1[ ][ ]={{1,2},{3,4},{5,6}}

  • 第3题:

    以下数组初始化形式正确的是()

    A.int t1[][]={{1,2},{3,4},{5,6}}

    B.int t2[][]={1,2,3,4,5,6}

    C.int t3[3][2]={1,2,3,4,5,6}

    D.int t4[][] t4={1,2,3,4,5,6};


    A

  • 第4题:

    以下数组初始化形式正确的是:

    A.int t1[][]={{1,2},{3,4},{5,6}};

    B.int t2[][]={1,2,3,4,5,6};

    C.int t3[3][2]={1,2,3,4,5,6};

    D.int t4[][]; t4={1,2,3,4,5,6};


    A

  • 第5题:

    【单选题】以下数组初始化形式错误的是

    A.int t1[ ]={1,2.3,4,5,6}

    B.int t2[ ][ ]={{1,2},{3,4},{5,6}}

    C.int t3[ ][ ]=new int[3][ ]; t3[0]=new int[3]

    D.int t4[ ][ ]=new int[ ][ 3];


    int t4[ ][ ]=new int[ ][ 3];