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单选题
public class Yikes { public static void go(Long n) {System.out.println(”Long “);} public static void go(Short n) {System.out.println(”Short “);} public static void go(int n) {System.out.println(”int “);} public static void main(String [] args) { short y= 6; long z= 7; go(y); go(z); } } What is the result?()
A
int Long
B
Short Long
C
Compilation fails.
D
An exception is thrown at runtime.
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更多 “单选题public class Yikes { public static void go(Long n) {System.out.println(”Long “);} public static void go(Short n) {System.out.println(”Short “);} public static void go(int n) {System.out.println(”int “);} public static void main(String [] args) { short y= 6; long z= 7; go(y); go(z); } } What is the result?()A int LongB Short LongC Compilation fails.D An exception is thrown at runtime.” 相关考题
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考题
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考题
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interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?() A、 s 14B、 s 16C、 s 10D、 Compilation fails.E、 An exception is thrown at runtime.
考题
public class Yikes { public static void go(Long n) {System.out.println(”Long “);} public static void go(Short n) {System.out.println(”Short “);} public static void go(int n) {System.out.println(”int “);} public static void main(String [] args) { short y= 6; long z= 7; go(y); go(z); } } What is the result?() A、 int LongB、 Short LongC、 Compilation fails.D、 An exception is thrown at runtime.
考题
public class Wow { public static void go(short n) {System.out.println(”short”); } public static void go(Short n) {System.out.println(”SHORT”);} public static void go(Long n) {System.out.println(” LONG”); } public static void main(String [] args) { Short y= 6; int z=7; go(y); go(z); } } What is the result?() A、 short LONGB、 SHORT LONGC、 Compilation fails.D、 An exception is thrown at runtime.
考题
单选题Which code fragments will succeed in printing the last argument given on the command line to the standard output, and exit gracefully with no output if no arguments are given?() CODE FRAGMENT a: public static void main(String args[]) { if (args.length != 0) System.out.println(args[args.length-1]); } CODE FRAGMENT b: public static void main(String args[]) { try { System.out.println(args[args.length]); } catch (ArrayIndexOutOfBoundsException e) {} } CODE FRAGMENT c: public static void main(String args[]) { int ix = args.length; String last = args[ix]; if (ix != 0) System.out.println(last); } CODE FRAGMENT d: public static void main(String args[]) { int ix = args.length-1; if (ix 0) System.out.println(args[ix]); } CODE FRAGMENT e: public static void main(String args[]) { try { System.out.println(args[args.length-1]); }catch (NullPointerException e) {} }A
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Code fragment b.C
Code fragment c.D
Code fragment d.E
Code fragment e.
考题
单选题以下是JAVA中正确的入口方法是? ()A
public static void main(String[] args){}B
public static void main(String args){}C
public void main(String[] args){}D
public static int main(String[] args){}
考题
单选题import java.util.*; class Banana3 { public static void main(String [] args) { int x = 2; Banana3 b = new Banana3(); b.go(x); } static { x += x; } void go(int x) { ++x; System.out.println(x); } } 结果为:()A
2B
3C
5D
编译失败
考题
单选题public class Wow { public static void go(short n) {System.out.println(”short”); } public static void go(Short n) {System.out.println(”SHORT”);} public static void go(Long n) {System.out.println(” LONG”); } public static void main(String [] args) { Short y= 6; int z=7; go(y); go(z); } } What is the result?()A
short LONGB
SHORT LONGC
Compilation fails.D
An exception is thrown at runtime.
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