The value of b is 2.
The value of a is 3.14.
The value of b is 2.00.
The value of a is 3.141.
The value of a is 3.1415.
The value of a is 3.1416.
The value of b is 2.0000.
第1题:
NumberFormatnf=NumberFormat.getInstance();nf.setMaximumFractionDigits(4);nf.setMinimumFractionDigits(2);Stringa=nf.format(3.1415926);Stringb=nf.format(2);WhichtwoaretrueabouttheresultifthedefaultlocaleisLocale.US?()
A.Thevalueofbis2.
B.Thevalueofais3.14.
C.Thevalueofbis2.00.
D.Thevalueofais3.141.
E.Thevalueofais3.1415.
F.Thevalueofais3.1416.
G.Thevalueofbis2.0000.
第2题:
Given:12.NumberFormatnf=NumberFormat.getInstance();13.nf.setMaximumFractionDigits(4);14.nf.setMinimumFractionDigits(2);15.Stringa=nf.format(3.1415926);16.Stringb=nf.format(2);WhichtwostatementsaretrueabouttheresultifthedefaultlocaleisLocale.US?()
A.Thevalueofbis2.00.
B.Thevalueofais3.141.
C.Thevalueofais3.14.
D.Thevalueofbis2.0000.
E.Thevalueofais3.1415.
F.Thevalueofais3.1416.
G.Thevalueofbis2.
第3题:
A.b=nf.parse(input);
B.b=nf.format(input);
C.b=nf.equals(input);
D.b=nf.parseObject(input);
第4题:
NumberFormat nf= NumberFormat.getInstance(); nf.setMaximumFractionDigits(4); nf.setMinimumFractionDigits(2); String a = nf.format(3.1415926); String b = nf.format(2); Which two are true about the result if the default locale is Locale.US?()
第5题:
下列程序的功能是对两个整数进行比较,由考生通过输入窗口分别输入两个整数,程序
比较出结果。例如:输入第1个整数为12,第2个整数为33。比较结果显示:
12!=33
12<33
12<=33
程序有多个遗漏和错误。本题要求改一个错,填三个空。
注意:不改动程序结构,不得增行或删行。
import javax.swing.JOptionPane;
public class ex3
{
public static void main(String args[])
{
String firstNumber, //用户输入第1个字符串
secondNumber, //户输入第2个字符串
result; // a string containing the output
int number1, //较的第1个数
number2; //的第2个数
//读用户输入的第1个字符串read first number from user as a string
firstNumber=
JOptionPane.showlnputDialog("Enter first integer:");
//用户输入的第2个字符串read second number from user as a string
secondNumber=
JOptionPane.showInputDialog("Enter second integer:");
//字符串类型转换成整数类型
number1=Integer.parseInt(firstNumber);
number2=Integer.parseInt(secondNumber);
result="";
if(String.valueOf(numberl)=String.valueOf(number2))
result=String.valueOf(numberl)+"= ="+String.valueOf(number2);
if(String.valueOf(number1)!=String.valueOf(number2))
result=String.valueOf(number1)+" !="+String.valueOf(number2);
if(String.valueOf(numberl)< String.valueOf(number2))
result=result+"\n" +String.valueOf(numberl)+"<"
+String.valueOf(number2);
if(String.valueOf(numberl)>String.valueOf(number2))
result=result+"\n" +String.valueOf(numberl)+" >"
+String.valueOf(number2);
if(String.valueOf(numberl)<=String.valueOf(number2))
result=result+"\n"+String.valueOf(numberl)+" <="
+String.valueOf(number2);
if(String.valueOf(numberl)>=String.valueOf(number2))
result=result+"\n"+String.valueOf(numberl)+ ">="
+String.valueOf(number2);
______(null,result,"比较结果",______INFORMATION_MESSAGE);
//程序正常退出
______;
}
}
第6题:
A.The value of b is 2.
B.The value of a is 3.14.
C.The value of b is 2.00.
D.The value of a is 3.141.
E.The value of a is 3.1415.
F.The value of a is 3.1416.
G.The value of b is 2.0000.
第7题:
A.b=nf.parse(input);
B.b=nf.format(input);
C.b=nf.equals(input);
D.b=nf.parseObject(input);
第8题:
A.b=nf.parse(input);
B.b=nf.format(input);
C.b=nf.equals(input);
D.b=nf.parseObject(input);
第9题:
下列语句能给数组赋值而不使用for循环的是
A.myArray{[1]="One";[2]="Two";[3]="Three";}
B.String s[5]=new String[]{"Zero", "One", "Two", "There", "Four"};
C.String s[]=new String[]{"Zero", "One", "Two", "There", "Four"};
D.String s[]=new String[]=|"Zero", "One", "Two", "There", "Four"};
第10题:
11. double input = 314159.26; 12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN); 13. String b; 14. //insert code here Which code, inserted at line 14, sets the value of b to 3 14.159,26?()