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READ Free Dumps For Oracle- 1z0-851





Question ID 3784

Given classes defined in two different files:
1.    package util;
2.    public class BitUtils {
3.    public static void process(byte[] b) { /* more code here */ }
4. }
1.    package app;
2.    public class SomeApp {
3.    public static void main(String[] args) {
4.    byte[] bytes = new byte[256];
5.    // insert code here
6.    }
7.    }
What is required at line 5 in class SomeApp to use the process method of BitUtils?
 

Option A

A.    process(bytes);
 

Option B

B.    BitUtils.process(bytes);
 

Option C

C.    util.BitUtils.process(bytes);
 

Option D

D.    SomeApp cannot use methods in BitUtils.
 

Option E

E.    import util.BitUtils.*; process(bytes);
 

Correct Answer C
Explanation


Question ID 3785

A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class? (Choose three.)
 

Option A

A.    The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
 

Option B

B.    The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..
 

Option C

C.    The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.
 

Option D

D.    The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.
 

Option E

E.    The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java.
 

Option F

F.      The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java
 

Correct Answer B,D,F
Explanation

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