• 2021-04-14 问题

    关于以下程序段,正确的说法是( ) 1 String s1=”abc”+”def” 2 String s2=new String(s1); 3.If(s1= =s2) 4.System.out.println(“= = succeeded”); 5.if (s1.equals(s2)) 6.System.out.println(“.equals() succeeded”);

    关于以下程序段,正确的说法是( ) 1 String s1=”abc”+”def” 2 String s2=new String(s1); 3.If(s1= =s2) 4.System.out.println(“= = succeeded”); 5.if (s1.equals(s2)) 6.System.out.println(“.equals() succeeded”);

  • 2021-04-14 问题

    (10-8)关于以下程序段,正确的说法是( )。 1 String s1=”ac”+”def”; 2 String s2=new String(s1); 3 if(s1.equals(s2)) 4 System.out.println(“equals() succeeded”); 5 else if(s1==s2) 6 System.out.println(“== succeeded”);

    (10-8)关于以下程序段,正确的说法是( )。 1 String s1=”ac”+”def”; 2 String s2=new String(s1); 3 if(s1.equals(s2)) 4 System.out.println(“equals() succeeded”); 5 else if(s1==s2) 6 System.out.println(“== succeeded”);

  • 2021-04-14 问题

    "change one's tune" equals to "change one's attitude". ( )

    "change one's tune" equals to "change one's attitude". ( )

  • 2021-04-14 问题

    The Pearson coefficient of correlation r equals 1 when there is/are no:

    The Pearson coefficient of correlation r equals 1 when there is/are no:

  • 2022-06-08 问题

    给出下列的代码,则以下哪个选项返回true String s="hello"; String t="hello"; char c []= {’h’,’e’,’1’,’1’,’o’};A)s.equals(t); A: t. equals( B: ; C: s==t; D: t==c;

    给出下列的代码,则以下哪个选项返回true String s="hello"; String t="hello"; char c []= {’h’,’e’,’1’,’1’,’o’};A)s.equals(t); A: t. equals( B: ; C: s==t; D: t==c;

  • 2021-04-14 问题

    请说出下列代码的执行结果 : String s = "abcd"; String s1 = new String(s); if (s = = s1) System.out.println("the same"); if (s.equals(s1)) System.out.println("equals");

    请说出下列代码的执行结果 : String s = "abcd"; String s1 = new String(s); if (s = = s1) System.out.println("the same"); if (s.equals(s1)) System.out.println("equals");

  • 2021-04-14 问题

    The total energy of the spring(弹簧) at all times equals the 1/2 ks2 it was originally.

    The total energy of the spring(弹簧) at all times equals the 1/2 ks2 it was originally.

  • 2022-06-07 问题

    下面代码执行结果是()。publicclassTest{publicstaticvoidmain(Stringargs[]){Strings1=newString("BestJava");Strings2=newString("BestJava");if(s1==s2)System.out.println("s1==s2");if(s1.equals(s2))System.out.println("s1.equals(s2)");}} A: s1.equals(s2) B: s1==s2 C: 其他 D: s1==s2s1.equals(s2)

    下面代码执行结果是()。publicclassTest{publicstaticvoidmain(Stringargs[]){Strings1=newString("BestJava");Strings2=newString("BestJava");if(s1==s2)System.out.println("s1==s2");if(s1.equals(s2))System.out.println("s1.equals(s2)");}} A: s1.equals(s2) B: s1==s2 C: 其他 D: s1==s2s1.equals(s2)

  • 2021-04-14 问题

    下列代码段执行后的结果是 StringBuffer s=new StringBuffer("Hello"); if((s.length()>=5)&&(s.append("there").equals("False"))) s.replace(0,6,"False"); System.out.println(s);

    下列代码段执行后的结果是 StringBuffer s=new StringBuffer("Hello"); if((s.length()>=5)&&(s.append("there").equals("False"))) s.replace(0,6,"False"); System.out.println(s);

  • 2022-06-04 问题

    If the elasticity equals -10,the Lerner Index equals 0。01( )

    If the elasticity equals -10,the Lerner Index equals 0。01( )

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