A.c=false;result=2;
B.c=true;result=1;
C.c=false;result=1;
D.c=true;result=2;
(20 )阅读下面程序
import javax.swing.JOptionPane;
public class Comparison {
public static void main(String args[] ){
String firstNumber, // 用户输入第 1 个数据变量
secondNumber, // 用户输入第 2 个数据变量
result; // 输出结果变量
int number1, // 用于比较的第 1 个数
number2; // 用于比较的第 2 个数
// 用户输入第 1 个数据的字符串
firstNumber = JOptionPane.showInputDialog(" 输入第 1 个整数 :" );
// 用户输入第 2 个数据的字符串
secondNumber = JOptionPane.showInputDialog(" 输入第 2 个整数 :" );
// 将字符串转换为整数类型
number1 = Integer.parseInt(firstNumber );
number2 = Integer.parseInt(secondNumber );
// 初始化结果变量
______________________;
// 比较两个数据
if (number1 == number2 )
result += number1 + " == " + number2;
if (number1 != number2 )
result += number1 + " != " + number2;
if (number1 < number2 )
result = result + "\n" + number1 + " < " + number2;
if (number1 > number2 )
result = result + "\n" + number1 + " > " + number2;
if (number1 <= number2 )
result = result + "\n" + number1 + " <= " + number2;
if (number1 >= number2 )
result = result + "\n" + number1 + " >= " + number2;
// 显示结果
JOptionPane.showMessageDialog(null,result," 比较结果 ",
JOptionPane.INFORMATION_MESSAGE );
System.exit(0 );
}
}
为使程序能正确运行并得到合理的输出结果,初始化结果变量语句 (下划线处 ) 应是
A ) result = ""
B ) result = null
C ) result = number1
D ) result = number2
下面程序的运行结果是
#include
int fun(int a[]. int n)
{
int result=l:
for(int i=1;i
result=result*a[i];
return result;
}
void main()
{
int a[3]={3,4,5};
cout<<
}
A.12;
B.15;
C.20;
D.60
A.resulted from
B.brought in
C.result in
D.led to
A.wx.redirectTo({url:'/pages/result/result?A='+this.data.A})
B.wx.redirectTo({url:'/pages/result/result?A='+A})
C.wx.redirectTo({www:'/pages/result/result?A='+this.data.A})
D.wx.redirectTo'({url:/pages/result/result?A=+this.data.A})'
A.end
B.extreme
C.pole
D.spectrum
(8 )阅读下列程序段
public class OperatorsAndExpressions {
String conditionalExpression (int score ) {
String result;
//如果 score 超过 60 分,则结果是 passed, 否则是 doesn't pass
result= (score>=60 ) ?"passed":"doesn't pass" :
System.out.println (result ) ;
return result;
}
public static void main (String args[] ){
OperatorsAndExpressions perAndExp=new OperatorsAndExpressionsQ;
//条件表达式
OperAndExp. conditionalExpression (65 ) ;
}
}
其执行结果是 【 8 】
A.7
B.15
C.19
D.24
is an output device displaying the result on paper.
A.Printer
B.Mouse
C.Display
D.Disk
1)#include
2)using namespace std;
3)int main()
4){
5)int a,b,result;
6)cout<<"please input two numbers:\n";
7)cin>>a>>b;
8)result=3*a-2*b+1;
9)cout<<"resultis"<< result<< endl;
10)}
程序的第5行中的cout表示:()
A、显示字符串
B、标准输出的流设备
C、标准输入的流设备
D、程序入口