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What will be the output of the code?

A. Initializing Helper Ready Cleaning
B. Initializing Helper Ready HelperService: Cleaning Cleaning
C. Helper Ready Initializing Helper Ready Cleaning
D. Compilation Error: Missing @Component annotation on MyService
E. None of the above

Explanation:
1. Configuration and Bean Lifecycle:
• AppConfig is annotated with Configuration, marking it as the configuration class.
• Bean(initMethod = "init", destroyMethod = "cleanup") defines the lifecycle methods for MyService.
2. Dependency Injection:
• MyService has a Autowired field, injecting the HelperService bean. Spring automatically resolves the dependency.
3. Lifecycle Methods:
• The init method of MyService is called after the bean is instantiated.
• The cleanup method is called when the context is closed.
4. Output Order:
• Initializing is printed when init() is invoked.
• The process() method prints the message from HelperService: Helper Ready.
• Cleaning is printed during context closure.

Correct answer: A



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What will be the output of the code?

A. Initializing Helper Ready Cleaning
B. Initializing Helper Ready HelperService: Cleaning Cleaning
C. Helper Ready Initializing Helper Ready Cleaning
D. Compilation Error: Missing @Component annotation on MyService
E. None of the above

Explanation:
1. Configuration and Bean Lifecycle:
• AppConfig is annotated with Configuration, marking it as the configuration class.
• Bean(initMethod = "init", destroyMethod = "cleanup") defines the lifecycle methods for MyService.
2. Dependency Injection:
• MyService has a Autowired field, injecting the HelperService bean. Spring automatically resolves the dependency.
3. Lifecycle Methods:
• The init method of MyService is called after the bean is instantiated.
• The cleanup method is called when the context is closed.
4. Output Order:
• Initializing is printed when init() is invoked.
• The process() method prints the message from HelperService: Helper Ready.
• Cleaning is printed during context closure.

Correct answer: A

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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

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