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Title: Free 2025 1Z0-819 Dumps 100 Pass Guarantee With Latest Demo [Q138-Q159]

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 Free 2025 1Z0-819 Dumps 100 Pass Guarantee With Latest Demo
Prepare 1Z0-819 Question Answers Free Update With 100% Exam Passing Guarantee [2025]


Q138. Given:What is the result?
 The compilation fails at line 9.
 The compilation fails at line 2.
 Hello World
 The compilation fails at line 8.
Q139. Given:What is the result?
 A ClassCastException is thrown at runtime.
 AnotherClass#methodA()AnotherClass#methodA()
 The compilation fails.
 SomeClass#methodA()AnotherClass#methodA()
 AnotherClass#methodA()SomeClass#methodA()
 SomeClass#methodA()SomeClass#methodA()
Q140. Which two are successful examples of autoboxing? (Choose two.)
 String a = “A”;
 Integer e = 5;
 Float g = Float.valueOf(null);
 Double d = 4;
 Long c = 23L;
 Float f = 6.0;
Q141. Given the code fragment:What is the result?
 0 8 10
 0
 The code prints nothing.
 0 4 9
 0 8
ExplanationA picture containing graphical user interface Description automatically generatedQ142. Given:Which expression when added at line 1 will produce the output of 1.17?
 float z = (float)(Math.round((float)x/y*100)/100);
 float z = Math.round((int)(x/y),2);
 float z = Math.round((float)x/y,2);
 float z = Math.round((float)x/y*100)/(float)100;
Q143. Given:Which two statements are valid to be written in this interface? (Choose two.)
 public abstract void methodB();
 final void methodG(){System.out.println(“G”);}
 private abstract void methodC();
 public String methodD();
 public int x;
 final void methodE();
 public void methodF(){System.out.println(“F”);}
Q144. Given:What is the output?banana orange apple lemon
 —–apple banana lemon orange—–—–
 banana orange apple lemon—–apple banana lemon orange—–
 —–—–
 —–banana orange apple lemon apple banana lemon orangebanana orange apple lemon apple banana lemon orange
 —–—– 
Q145. Which code fragment added to line 1 enables the code to compile and print Hello Joe?
 
 
 
 
Q146. Given:Which two lines cause compilation errors? (Choose two.)
 line 12
 line 6
 line 9
 line 8
 line 7
Q147. Which two are functional interfaces? (Choose two.)
 Option A
 Option B
 Option C
 Option D
 Option E
Q148. Given:What is the result?
 Good Morning, Potter
 Good Night, Potter
 Good Morning, Harry
 Good Night, Harry
Q149. Which two interfaces are considered to be functional interfaces? (Choose two.)
 @FunctionalInterfaceinterface InterfaceC {public boolean equals(Object o);int breed(int x);int calculate(int x, int y);}
 @FunctionalInterfaceinterface InterfaceD {int breed(int x);}
 @FunctionalInterfaceinterface InterfaceE {public boolean equals(int i);int breed(int x);}
 interface InterfaceA {int GERM = 13;public default int getGERM() { return GERM; }}
 interface InterfaceB {int GERM = 13;public default int getGERM() { return get(); }private int get() { return GERM; }public boolean equals(Object o);int breed(int x);
Q150. Given:What is the result?
 Keys: 4 Values: 4 Map: 0
 Keys: 4 Values: 4 Map: 4
 The compilation fails.
 Keys: 0 Values: 0 Map:
 Keys: 0 Values: 0 Map: 0
Q151. Given:What is the result?
 null
 Joe Bloggs
 The compilation fails due to an error in line 1.
 p1
Q152. Given:What is the result?
 b1
 2
 b2
 1
 b3
 3
 The compilation fails due to an error in line 1.
Q153. A)B)C)D)
 Option A
 Option B
 Option C
 Option D
Q154. Given:Which three actions implement Java SE security guidelines? (Choose three.)
 Change line 7 to return names.clone();.
 Change line 4 to this.names = names.clone();.
 Change the getNames() method name to get$Names().
 Change line 6 to public synchronized String[] getNames() {.
 Change line 2 to private final String[] names;.
 Change line 3 to private Secret(String[] names) {.
 Change line 2 to protected volatile String[] names;.
Q155. Which method throws an exception for not-a-number and infinite input values?A)B)C)D)
 Option A
 Option B
 Option C
 Option D
Q156. Given:Which two method implementations are correct, when inserted independently in line 1? (Choose two.)
 Option A
 Option B
 Option C
 Option D
 Option E
Q157. Given:andWhich code fragment on line 1 makes the s1 set contain the names of all employees born before January 1,1989?
 Option A
 Option B
 Option C
 Option D
Q158. Given:What is the output?
 A compilation error is thrown.
 Message from Copier: Attempt00
 Message from Abstract Copier: Attempt00
 A runtime error is thrown.
Q159. Given:What is the result?
 Ans: a
 The compilation fails
 Ans:
 A java:util. NsuchElementException is thrown at runtime
 Loading …






	
	

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Post date: 2025-03-07 10:35:33

Post date GMT: 2025-03-07 10:35:33

Post modified date: 2025-03-07 10:35:33

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