How to perform operation on Arraylist?

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How to perform a series of sort operation on arraylist

I have an arrayList of objects and I want to run a series of sort operations on this list. I would want to sort them by first by name, and if two names are same than sort them by id, for example. How can i implement it? This is my code Comparator<Ticket> mc; mc = new TicketIdComparator(); Collections.sort(tickets, mc); final class TicketIdComparator implements Comparator<Ticket> { @Override public int compare(Ticket ticket1, Ticket ticket2) { String TicketId1 = ((Ticket) ticket...

Answer:

Collections.sort(myList, new Comparator() { @Override public int compare(Object o1, Object o2) { //...

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Other solutions

How does computer perform subtracting operation,as it has only ability to perform addition operation?

as we know that computer has only ability to perform addition,how it perform subtracting operation,i want atleast 6-7 arguments

Answer:

its called two's compliment it works like this Now suppose we want to subtract 12 from 69. Now, 69 ...

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Perform the indicated operation: (7/x+3) - 3/x^2-9?

Hi I need help with my Homework.. I already did these.. just making sure their correct, thank you: 09) Perform the indicated operation: 7/x+3 - 3/x^2-9 10) Perform the indicated operation: (1/x+2)+9 11) Perform the indicated operation: (17/x^2+3x-28...

Answer:

Assuming I've read the problems right (writing math problems on a single line is tough without using...

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Perform the indicated operation (2 + 9i)(2 – 9i) Simplify answer. Type your answer in the form a + bi.)?

1 ) Perform the indicated operation (2 + 9i)(2 – 9i) Simplify answer. Type your answer in the form a + bi.) 2) Express in terms of I √(- 5) Simplify Answer. Type answer in form a + bi 3 )Multiply (3 + √(8))( 3 - √(8)). Simplify and type an exact answer...

Answer:

1. (2-9i)(2+9i) Foil (2x2)+(18i-18i)+(-9i x 9i) 4+-81i^2( i^2 really equals -1) 4+81 85 is answer 2...

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Answer:

I'm not sure, but I think it's 4/(x + 5)( x + 3)

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Let f(x) = x2 + 5 and g(x) = x – 7. Perform each function operation. Then find the domain of each.?

Let f(x) = x2 + 5 and g(x) = x – 7. Perform each function operation. Then find the domain of each. 28. f(x) / g(x) a.) x-7/x^2+5; all real numbers except -sqt5 b.) x-7/x^2+5; all real numbers c.) x^2+5/x-7; all real numbers except 7 d.) x^2+5/x...

Answer:

C - because when x=7, the denominator is x - 7 = 7 - 7 = 0 which is not defined. Obviously, f(x) / g...

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Algebra / Please Help / Perform the indicated operation?

Perform the indicated operation. Write the result in the form a + bi. 1 - 5i / 1 + i

Answer:

1 - 5i / 1 + i =(1 - 5i)(1-i) / (1 + i)(1-i) =(1 -6i -5) / (1 + 1) =-2 - 3i

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Adobe Illustrator wont load - "Could not perform requested operation" - Running on Windows Vista, need help!!?

Hi everyone, I have a new dell xps laptop and have installed my CS2 suite on it. Its been working fine for ages, but earlier I tried loading a picture that was bigger than the memory allocation this computer had for it, so I tried to change it and somehow...

Answer:

If this is a new problem you could always try system restore to return your system state to a date before...

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Perform the indicated operation?

Perform the indicated operation: -6(a-7) State the name of the property used i need help guys

Answer:

Umm this is the cancer forum.....

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Perform the indicated operation?

Perform the indicated operation:the ^ means to the power. Please explain how you did each step. 10 points for the best answer. b) Multiply (p+2) (p^4-2p^3+3

Answer:

First multiply p times the second polynomial. p(p^4 - 2p^3 + 3) = p^5 - 2p^4 + 3p then multiply 2 times...

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