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Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }
3 5512you are to choose between two procedures,both of which copute the minimum value in an array of integers.one procedure returns the smallest integer if its array argument is empty. the other requires a nonempty array.which procedure should you choose and why?
1 26901) There are 10 different threads in runnable state. Each having priority 1 to 10. How does the CPU schedules or executes these threads?
RBS,
2 72582) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?
1 23503) Suppose you are a very rich person, having 50 rooms and you have lost the key for one of the room's. How effectively you can find this key? (Qs2 and Qs3 are related)
RBS,
3 9086Suppose there is a System A which gives some output. This output is used as input by system B. The rate at which System A produces is faster than the rate at which system B consumes it. How can you improve this?
RBS,
1 5861Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?
RBS,
2 109207) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
4 9647
What is action chaining ?
Write a program to print count of empty strings in java 8?
What is lazy class?
What is the difference between break and continue statements?
Write a program to find the whether a number is an Armstrong number or not?
What is a classloader in java?
What is difference between @controller and @restcontroller in spring?
What are the contents on web.xml in struts application ?
What is parsing in java?
Can we return resultset in java?
What is java string pool?
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Explain public static void main(string args[]) in java.
How to sort array in descending order in java?
hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code
