Oracle Java SE 7 Programmer I (1Z1-803日本語版) - 1Z1-803日本語 Exam Practice Test
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);
} }
Correct Answer: D
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class Sports {
int num_players;
String name, ground_condition;
Sports(int np, String sname, String sground){ num_players = np;
name = sname;
ground_condition = sground;
}
}
class Cricket extends Sports {
int num_umpires;
int num_substitutes;
Correct Answer: A
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boolean log3 = ( 5.0 != 6.0) && ( 4 != 5);
boolean log4 = (4 != 4) || (4 == 4);
System.out.println("log3:"+ log3 + \nlog4" + log4);
boolean log4 = (4 != 4) || (4 == 4);
System.out.println("log3:"+ log3 + \nlog4" + log4);
Correct Answer: A
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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);
}
}
Correct Answer: A
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class Base {
// insert code here
}
public class Derived extends Base{
public static void main(String[] args) {
Derived obj = new Derived();
obj.setNum(3);
System.out.println("Square = " + obj.getNum() * obj.getNum());
}
}
Correct Answer: A,E
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public class Two {
public static void main(String[] args) {
try {
doStuff();
system.out.println("1");
}
catch {
system.out.println("2");
}}
public static void do Stuff() {
if (Math.random() > 0.5) throw new RunTimeException(); doMoreStuff();
System.out.println("3 ");
}
public static void doMoreStuff() {
System.out.println("4");
}
}
public static void main(String[] args) {
try {
doStuff();
system.out.println("1");
}
catch {
system.out.println("2");
}}
public static void do Stuff() {
if (Math.random() > 0.5) throw new RunTimeException(); doMoreStuff();
System.out.println("3 ");
}
public static void doMoreStuff() {
System.out.println("4");
}
}
Correct Answer: B,C
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