更多"阅读和理解下面程序段:
class Manager extends "的相关试题:
[单项选择]阅读和理解下面程序段: class Manager extends Employee{ public Manager(String n,double s,int year,int month,int day){ super(n,s,year,month,day); bonus=0; } public double getSalary( ){ double baseSalary=super.gerSalary( ); return baseSalary+bonus; } public void setBonus(double b){bonus=b; } private double bonus; } Manager是Employee的子类,其理由是
A. Manager的适用范围较宽
B. extends关键字声明
C. Manager的域减小了
D. 雇员是一个经理
[单项选择]阅读和理解下面程序段:
class Manager extends Employee
public Manager(String n,double s,int year,int month,int day)
super(n,s,year,month,day);
bonus=0;
public double getSalary( )
double baseSalary=super.gerSalary( );
return baseSalary+bonus;
public void setBonus(double b)bonus=b;
private double bonus;
Manager是Employee的子类,其理由是
A. Manager的适用范围较宽
B. extends关键字声明
C. Manager的域减小了
D. 雇员是一个经理
[单项选择]
阅读和理解下面程序段:
class Manager extends Employee{
public Manager(String n,double s,int year,int month,int day) {
super(n,s,year,month,day);
bonus=O;
}
public double getSalary( ){
double baseSalary=super,gerSalary( );
return baseSalary+bonus;
}
public void setBonus(double b);
{
bonus=b;
}
private double bonus;
}
Manager是Employee的子类,其理由是()
A. Manager的适用范围较宽
B. extends关键字声明
C. Manager的域减小了
D. 雇员是一个经理
[填空题]执行下列程序段后输出的结果是 【10】 。
public class Test{
public static void main(String args[]){
int x,y;
for(y=1,x=1;y<=50;y++){
if(x>=10)break;
if(x%2==1){
x+=5:
continue;
}
x-=3;
}
System.out.println(y);
}
}
[单项选择]执行下列程序段之后,变量b的值为( )。 public class Test { public static void main (String[] args) { int i = 12; int j = 24; boolean b1 = true; booleanb=(j%i==0)&&(! b1) || (j/i! =2); System. out. println (b); } }
A. true
B. false
C. 0
D. 1
[填空题]执行下面的程序段,辅出结果为上 【8】 。
public class Q
{
public static void main (String argv[])
{
int anar[]=new int[5];
System.out.pfintln(anar[0]);
}
}
[单项选择]执行下列程序段之后,输出的结果是______。
public class Test8
public StatiC void main (String[] args)
byte a=2;
short b=3;
long c=4;
c=a%b*4%b;
System. out.println (c);
A. 2
B. 1
C. -2
D. -1
[填空题]请写出下面程序的运行结果:
public class Test extends TT{
public static void main(String args[]){
Test t=new Test("Tom.");
}
public Test(String s){
super(s);
System.out.print("How are you");
}
public Test( ){
this("I am Jack.");
}
}
class TT{
public TT( ){
System.out.print("Hi!");
}
public TT(String s){
this( );
System.out.print("I am"+s);
}
}
结果【 】。
[单项选择]下面程序段的输出结果是______。
public class Test
public static void main(String args[ ])
int x,y;
x=(int)Math.sqrt(5/2)+(int)Math.random( )*5/2;
y=(int)Math.sqrt(3/2)+(int)Math.random( )*3/2;
if(x>y)
System.out.println("x>y");
else if(x==y)
System.out.println("x=y");
else
System.out.println("x<y");
A. x>y
B. x=y
C. x<y
D. 编译错误
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class35
public static void main(String[] args)
String s1=new String("0860371"),s2="0860371";
System. out. println(s1==s2);
System. out. println(s1. equals(s2));
System. out. println(s1. endsWith(s2)==s1. startsWith(s2));
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class32
public static void main(String[] args)
boolean x=true,y=false,z=false;
x=x&&y||z;
y=x||y&&z;
z=!(x!=y)||(y==z);
System. out. println(x+","+y+","+z);
[简答题]阅读以下程序代码,写出程序的输出结果。
public class Class33
public static void main(String[] args)
int a,b,c;
a=b=c=1;
boolean w;
w=a++>1&&++b>c++:
System. out. println(a+","+b+","+c+","+w);
[填空题]阅读下列程序段
puiblic class Operatora AndExpressions
Sting condiltionaIExpression (int score)
Sting result;
//如果score超过60分,则结果是passed,否则是does’t pass
result=(score>=60) "passed":"doesn’t pass";
System.out.printIn(result);
return result;
public static void main(String args[])
OperatorsAndExpressions OperAndExp=new OperatorsAndExperssions( );
//条件表达式
OperAndExp, conditionalExpression(65);
其执行结果是______。