1Z0-808 practice questions 131–140

1. Question 131 · 200 in bank

   Given:

   

   What is the result?

   • AJump1 - Jump1 - Jump1
   • BJump2 - Jump2 - Jump3
   • CJump3 - Jump3 - Jump3
   • DJump1 - Jump1 - Jump3

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   Answer: B

   Explanation

   public class App { static float height; public float jump(long x) { System.out.println("Jump 1"); return height + x; } public float jump(int x) { System.out.println("Jump 2"); return height + x; } public float jump(float x) { System.out.println("Jump 3"); return height + x; } public static void main(String[] args) { App obj = new App(); obj.jump(10); obj.jump(100); obj.jump(10.01f); } }

   Source: Adapted from community discussion — jackymak

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2. Question 132 · 200 in bank

   Given the code from the App.java.file:

   

   Which command prints SE 8 Standard in the console window?

   • Ajava App “SE 8 Standard”
   • Bjava App “SE 8”, “Standard”
   • Cjava App SE 8 Standard
   • Djava App “SE 8” Standard

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   Answer: D

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3. Question 133 · 200 in bank

   Examine the given definitions:

   

   and the code fragment:

   

   Which statement is true about the implementation of Object-Oriented Programming concepts in the given code?

   • APolymorphism, abstraction, and encapsulation are implemented.
   • BOnly polymorphism and inheritance are implemented.
   • CPolymorphism, inheritance, and abstraction are implemented.
   • DOnly inheritance and encapsulation are implemented.

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   Answer: A

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4. Question 134 · 200 in bank

   Given the content from the Tree.java and Plant.java files:

   

   and the code fragment:

   

   Which code fragment is valid at line 10?

   • At.m1();
   • Bt.m1(); t.m3();
   • Ct.m1(); t.m2(); t.m3(); t.m4();
   • Dt.m1(); t.m3(); t.m4();

   Show answer

   Answer: A

   Explanation

   package root; public class Tree { public void m1(){} private void m2(){} protected void m3(){} void m4(){} } ------------------------------------------------------------------ package branch; import root.Tree; public class Plant extends Tree{ public void m1(){} public void m2(){} public void m3(){} public void m4(){} public static void main(String[] args){ Tree t = new Plant(); t.m1(); // t.m2(); // t.m3(); // t.m4(); } } Because t is belong to Tree class

   Source: Adapted from community discussion — jackymak

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5. Question 135 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • ASum is 600
   • BCompilation fails at line n1.
   • CCompilation fails at line n2.
   • DA ClassCastException is thrown at line n1.
   • EA ClassCastException is thrown at line n2.

   Show answer

   Answer: B

   Explanation

   Tested, answer is B. Source code to test: public static void main(String[] args) { Short s1 = 200; Integer s2 = 400; String s3 = (String) (s1 + s2); // line n1 Long s4 = (long) s1 + s2; // line n2 System.out.println("Sum is " + s3); } A correct convert to string could be: String s3 = String.valueOf(s1 + s2);

   Source: Adapted from community discussion — carloswork

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6. Question 136 · 200 in bank

   Select 2

   Given the code fragment:

   

   Which two modifications, when made independently, enable the code to print joe:true: 100.0? (Choose two.)

   

   • AOption A
   • BOption B
   • COption C
   • DOption D
   • EOption E

   Show answer

   Answer: AC

   Explanation

   Here is the code for testing: public class Employee { String name; Boolean contract; double salary; Employee(){ // Line n1 - Option C /* this.name = new String("Joe"); this.contract = new Boolean(true); this.salary = new Double(100); */ } public String toString() { return name + " : " + contract + " : " + salary; } public static void main(String [] args) { Employee e = new Employee(); // Line n2 - Option A /* e.name = "Joe"; e.contract = true; e.salary = 100; */ // Line n2 - Option B /* this.name = "Joe"; this.contract = true; this.salary = 100; */ System.out.print(e); } }

   Source: Adapted from community discussion — carloswork

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7. Question 137 · 200 in bank

   Given the code fragment:

   

   What is the result?

   • A[Robb, Rick, Bran]
   • B[Robb, Rick]
   • C[Robb, Bran, Rick, Bran]
   • DAn exception is thrown at runtime.

   Show answer

   Answer: A

   Explanation

   antwort A ist richtig; public static void main (String [] args ) { List names = new ArrayList<>(); names.add("Robb"); names.add("Bran"); names.add("Rick"); names.add("Bran"); if (names.remove("Bran")) { names.remove("Jon"); } System.out.println(names); } } [Robb, Rick, Bran]

   Source: Adapted from community discussion — dya45792

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8. Question 138 · 200 in bank

   Given:

   

   What is the result?

   • AC B A
   • BC
   • CA B C
   • DCompilation fails at line n1 and line n2

   Show answer

   Answer: C

   Explanation

   the super method is called by default : first : constructor A is called. second : constructor B . Finally constructor C.

   Source: Adapted from community discussion — M_Jawad

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9. Question 139 · 200 in bank

   Given:

   

   What is the result?

   • A3 4 5 6
   • B3 4 3 6
   • C5 4 5 6
   • D3 6 4 6

   Show answer

   Answer: C

   Explanation

   X x1 = new X(); X x2 = new X(); x1.i = 3; // i is static (class variable), i = 3 x1.j = 4; // j is an instance variable, so for x1, j is 4 x2.i = 5; // i is updated from 3 to 5; x2.j = 6; // j is an instance variable, so for x2 j is 6

   Source: Adapted from community discussion — RoxyFoxy

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10. Question 140 · 200 in bank

    Given the code fragment:

    

    Which code fragment, when inserted at line 3, enables the code to print 10:20? A.

    

    B.

    

    C.

    

    D.

    

    This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

    Show the answer figure

    Answer: See figure below

    Explanation

    Letter B is correct and does not need to analyze too much. The letters A and D will give ArrayIndexOutOfBounds as they are creating an array with 1 space. The letter C is wrong because the "int array" needs to put the "int [] array" because the array type is instantiated like this.

    Source: Adapted from community discussion — iSnover

    

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1Z0-808 practice, question 131. 200 questions available.