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Q: You have a class file name Test.class inside javaproject directory.
Test.java source code is :
import java.util.Properties;
class Test {
public static void main (String[] args){
Properties p = System.getProperties();
you have issued below commands from command prompt.
cd javaproject
java -D key1=value1 Test
What is the output ?
A. value1 B. null
C. Run successfully but no output D. Run fails - java.lang.NoClassDefFoundError: key1=value1

Answer and Explanation

Answer:Run fails - java.lang.NoClassDefFoundError: key1=value1

-D option , name=value pair must follow immediately, no spaces allowed. In this case
there is space between -D and key1=value1 So java.lang.NoClassDefFoundError:

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