최신 1Z0-803日本語 무료덤프 - Oracle Java SE 7 Programmer I (1Z0-803日本語版)
Class A { }
Class B { }
Interface X { } Interface Y { }
정답: A,D
정답: C
정답: C
Class StaticField {
static int i = 7;
public static void main(String[] args) {
StaticFied obj = new StaticField();
obj.i++;
StaticField.i++;
obj.i++;
System.out.println(StaticField.i + " "+ obj.i);
}
}
static int i = 7;
public static void main(String[] args) {
StaticFied obj = new StaticField();
obj.i++;
StaticField.i++;
obj.i++;
System.out.println(StaticField.i + " "+ obj.i);
}
}
정답: B
정답: D
Given:
public class MainMethod {
void main() {
System.out.println("one");
}
static void main(String args) {
System.out.println("two");
}
public static void main(String[] args) {
System.out.println("three");
}
void mina(Object[] args) {
System.out.println("four");
}
}
public class MainMethod {
void main() {
System.out.println("one");
}
static void main(String args) {
System.out.println("two");
}
public static void main(String[] args) {
System.out.println("three");
}
void mina(Object[] args) {
System.out.println("four");
}
}
정답: C
정답: D
Given:
abstract class A1 { public abstract void m1(); public void m2() { System.out.println("Green"); }
}
abstract class A2 extends A1 { public abstract void m3(); public void m1() { System.out.println("Cyan"); } public void m2() { System.out.println("Blue"); }
}
public class A3 extends A2 { public void m1() { System.out.println("Yellow"); }
public void m2() { System.out.println("Pink"); }
public void m3() { System.out.println("Red"); }
public static void main(String[] args) {
A2 tp = new A3();
tp.m1();
tp.m2();
tp.m3();
}
}
abstract class A1 { public abstract void m1(); public void m2() { System.out.println("Green"); }
}
abstract class A2 extends A1 { public abstract void m3(); public void m1() { System.out.println("Cyan"); } public void m2() { System.out.println("Blue"); }
}
public class A3 extends A2 { public void m1() { System.out.println("Yellow"); }
public void m2() { System.out.println("Pink"); }
public void m3() { System.out.println("Red"); }
public static void main(String[] args) {
A2 tp = new A3();
tp.m1();
tp.m2();
tp.m3();
}
}
정답: A
정답: B
정답: B
정답: D
1.class StaticMethods {
2.static void one() {
3.two();
4.StaticMethods.two();
5.three();
6.StaticMethods.four();
7.}
8.static void two() { }
9.void three() {
10.
one();
11.
StaticMethods.two();
12.
four();
13.
StaticMethods.four();
14.
}
15.
void four() { }
16.
}
2.static void one() {
3.two();
4.StaticMethods.two();
5.three();
6.StaticMethods.four();
7.}
8.static void two() { }
9.void three() {
10.
one();
11.
StaticMethods.two();
12.
four();
13.
StaticMethods.four();
14.
}
15.
void four() { }
16.
}
정답: C,E,F
정답: B
정답: D
정답: B,D,E
public class Test {
public static void main(String[] args) {
int arr[] = new int[4];
arr[0] = 1;
arr[1] = 2;
arr[2] = 4;
arr[3] = 5;
int sum = 0;
try {
for (int pos = 0; pos <= 4; pos++) {
sum = sum + arr[pos];
}
} catch (Exception e) {
System.out.println("Invalid index");
}
System.out.println(sum); } }
정답: C
public class Test1 {
static void doubling (Integer ref, int pv) {
ref =20;
pv = 20;
}
public static void main(String[] args) {
Integer iObj = new Integer(10);
int iVar = 10;
doubling(iObj++, iVar++);
System.out.println(iObj+ ", "+iVar);
정답: D
정답: B
public class String1 {
public static void main(String[] args) {
String s = "123";
if (s.length() >2)
s.concat("456");
for(int x = 0; x <3; x++)
s += "x";
System.out.println(s);
} }
정답: D