Oracle 1z1-819 Actual Free Exam Questions & Community Discussion
Given:
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?
Correct Answer: D
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Given:
Which code fragment on line 1 makes the m map contain the employee with the highest salary for each neighborhood?
Which code fragment on line 1 makes the m map contain the employee with the highest salary for each neighborhood?
Correct Answer: B
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Which interface in the java.util.function package will return a void return type?
Correct Answer: A
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Given:
You want the code to produce this output:
John
Joe
Jane
Which code fragment should be inserted on line 1 and line 2 to produce the output?
You want the code to produce this output:
John
Joe
Jane
Which code fragment should be inserted on line 1 and line 2 to produce the output?
Correct Answer: B
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Given the code fragment:
You must define the A exception class. The program execution must be terminated if the condition at line 19 is true and an a exception is thrown at line 20.
Which code fragment at line n1 defines A as per the requirement?
You must define the A exception class. The program execution must be terminated if the condition at line 19 is true and an a exception is thrown at line 20.
Which code fragment at line n1 defines A as per the requirement?
Correct Answer: C
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Given:
What is the result?
What is the result?
Correct Answer: D
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