1Z0-815 試験問題を無料オンラインアクセス

Which two commands are used to identify class and module dependencies? (Choose two.)

• A.java Hello.java
• B.jdeps --list-deps
• C.jmod describe
• D.jar --show-module-resolution
• E.java --show-module-resolution

Given:

What is the output?

• A.I am an object
• B.I am an object array
• C.The compilation fails due to an error in line 1.
• D.I am an array

Given the code fragment:
1. ArrayList<Integer> list = new ArrayList<>(1);
2. list.add(1001);
3. list.add(1002);
4. System.out.println(list.get(list.size()));
What is the result?

• A.An exception is thrown at run time due to error on line 4
• B.1002
• C.An exception is thrown at run time due to error on line 3
• D.Compilation fails due to an error on line 1.

Given:

What is the result?

• A.Compilation fails at line n1
• B.Area is 3.0
• C.Area is 6.0
• D.Compilation fails at line n2.

Which two statements are true about the modular JDK? (Choose two.)

• A.It is possible but undesirable to configure modules' exports from the command line.
• B.APIs are deprecated more aggressively because the JDK has been modularized.
• C.An application must be structured as modules in order to run on the modular JDK.
• D.The foundational APIs of the Java SE Platform are found in the java.base module.