Eyedoc

i am a beginner programmer and i need a help wit a few programs . i know there arent many java programmers anymore but this has to be done in blueJ only. there are abt 5 programmes (pls). i would really appreciate help in the form of a program.these are the programs i need to execute.

also the nos are the main questions and the letters are the sub bits under that

1.i have to print this pattern

___________1

__________121

_________12321

________ 1234321

_________12321

__________121

___________ 1

this should be done by nested for() loop only and apparently we dont have to use scanner class or anything like that.

ignore the underscores.yahoo keeps ignoring the space i keep instead the pattern should like a diamond with those nos and you dont have to print the underscores

2.i should also write two programs that uses for() loops to find each one of these:

a)we shoulld print the sum of x/2! + x^2/3! + x^3/4!.........n terms (n is a no we accept through a method)

for those who dont know ^ indicates index for example 3^2=9 since 3 squared is 9 and 3^3=27 since 3 cubed is 27. and ! indicates factorial. for example 2!=2*1 and 5!=5*4*3*2*1 and 3!=3*2*1

b)x!/10 + (x+2)!/15 + (x+4)!/20+..........+(x+n)!/m!

n is a no we accept through method and i guess m is the multiple of 5 that we would get by the time we reach (x+n)!

3.we should write a menu driven program using scanner class which displays a menu consisting of 2 options.also when we enter 0 the program should terminate . we should use do while loop for the terminating part .

a)accept a no through method and check whether it is a neon no.

a neon no by the way is a no whose sum of digits of its square is equal to the no itself.

ex: 9

9 squared is 81

81s digits are 8 and 1

8+1=9 so 9 is a neon no

we should do this by using for loop

b)accept a no greater than 0 by scanner object (you know scanner ob=new scanner();int ob=nextInt();)

and print the sum of the prime no digits of the no we accepted

ex:we accept 4326

prime no digits are 3 and 2 so 3+2=5

and we should print 5 this should be done by for loop as well

appparently we have to invoke methods to execute the above to functions

4.accept a string thorugh method i guess and convet the string to lowercase and shift each letter to the left in the alphabet(using string functions)

ex:HELLO

output: gdkkn (g comes before h and d comes before d and so on)

5.inout a string and convert each uppercase letter to lower case and each lower case to upper

ex:JaVa PrOgraMs

output should be :jAvA pRoGRAmS

this should be done by string functions as well

if you read all that then kudos to you and sorry for the amazingly long question i really need help.

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