Oracle 1Z0-803日本語 問題集

質問 1：
Give:
Public Class Test {
}

A. Option E
B. Option A
C. Option C
D. Option D
E. Option B
F. Option F
正解：B,F

質問 2：

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;

A. Cricket() {
this.num_umpires =3;
this.num_substitutes=2;
super(11, "Cricket", "Condidtion OK");
}
B. Cricket() {
super(11, "Cricket", "Condidtion OK");
num_umpires =3;
num_substitutes=2;
}
C. Cricket() {
this(3,2);
super(11, "Cricket", "Condidtion OK");
}
Cricket(int nu, ns) {
this.num_umpires =nu;
this.num_substitutes=ns;
}
D. Cricket() {
super.ground_condition = "Condition OK";
super.name="Cricket";
super.num_players = 11;
num_umpires =3;
num_substitutes=2;
}
正解：B

質問 3：

A. StringBuilder sb = StringBuilder.setCapacity (128);
B. StringBuilder sb = new String ("128");
C. StringBuilder sb = new StringBuilder (128);
D. StringBuilder sb = StringBuilder.getInstance (128);
正解：C

質問 4：
Given:


A. 12, 22, 32, 12, 22, 32
B. 11, 21, 31, 12, 22, 32
C. 11, 21, 31, 11, 21, 31
D. 10, 20, 30, 10, 20, 30
正解：C

質問 5：

*AssertionError
*ArithmeticException
*ArrayIndexOutofBoundsException
*FileNotFoundException
*IllegalArgumentException
*IOError
*IOException
*NumberFormatException
*SQLException

A. AssertionError, IOError, IOException
B. ArrayIndexOutOfBoundException, IllegalArgumentException, FileNotFoundException
C. AssertionError, ArrayIndexOutOfBoundsException, ArithmeticException
D. FileNotFoundException, IOException, SQLException
E. ArithmeticException, FileNotFoundException, NumberFormatException
正解：C

質問 6：
Given:
class MarksOutOfBoundsException extends IndexOutOfBoundsException { }
public class GradingProcess {
void verify(int marks) throws IndexOutOfBoundsException {
if (marks > 100) {
throw new MarksOutOfBoundsException();
}
if (marks > 50) {
System.out.print("Pass");
} else {
System.out.print("Fail");
}
}
public static void main(String[] args) {
int marks = Integer.parseInt(args[2]);
try {
new GradingProcess().verify(marks));
} catch(Exception e) {
System.out.print(e.getClass());
}
}
}

Java grading process 89 50 104

A. Pass
B. Class MarketOutOfBoundsException
C. Class Exception
D. Fail
E. Class IndexOutOfBoundsException
正解：B