1Z1-803 무료 덤프문제 온라인 액세스

Given:

What is the result?

• A.Option B
• B.Option C
• C.Option D
• D.Option A

Given the code fragment:
StringBuilder sb = new StringBuilder ( ) ; Sb.append ("world");
Which code fragment prints Hello World?

• A.sb.insert(0,"Hello "); System.out.println(sb);
• B.sb.set(0,"Hello "); System.out.println(sb);D
• C.sb.append(0,"Hello "); System.out.println(sb);
• D.sb.add(0,"Hello "); System.out.println(sb);

Given:

What is the result?

• A.One
• B.Two
• C.Three
• D.Compilation fails

Given the code fragment:
class Student {
int rollnumber;
String name;
List cources = new ArrayList();
// insert code here
public String toString() {
return rollnumber + " : " + name + " : " + cources;
} }
And,
public class Test { public static void main(String[] args) {
List cs = newArrayList();
cs.add("Java");
cs.add("C");
Student s = new Student(123,"Fred", cs);
System.out.println(s);
}
}
Which code fragment, when inserted at line // insert code here, enables class Test to print 123 : Fred : [Java, C]?

• A.Student(int i, String name, ArrayList cs) {
  /* initialization code goes here */
  }
• B.private Student(int i, String name, List cs) {
  /* initialization code goes here */
  }
• C.public void Student(int i, String name, List cs) {
  /* initialization code goes here */
  }
• D.Student(int i, String name, List cs) {
  /* initialization code goes here */
  }

Given the fragment:

What is the result?

• A.34
• B.35
• C.25
• D.15
• E.14
• F.24