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Two entity class & two table 1) Student 2) Strength .create rest api student are enter in class same class count the the student std wise in spring Boot all crud operation
all functionlity for crud operation create,update,delete,getall,getbyid
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Write a Java program that keeps a number from the user and generates an integer between 1
and 7 and displays the name of the weekday.
Create a Strint array with all weekdays ({"Sunday", "Monday"...}) and than get the name by index like this:
int day = 2;
System.out.println(weekdays[day - 1]);//output Monday
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I am studying for a test and i came across this question. I am Computer science and business administration student. I am a little confused on the question. Not sure if our prof wants us to write the java program of the question below
Implement the function Q (a chaotic sequence generator based on the following recursive definition
Q(N) =
N if N < 3
Q(N-Q(N-1)) + Q(N-Q(N-2)) if N>=3
A simple Java implementation :
public int q(int n){
if(n < 3) return n;
return q(n-q(n-1)) + q(n-q(n-2))
}
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I am trying to print this integer 12345679 like 1,234,68. I was trying to do like this.
System.out.println(count+" "+"$"+fm.format(NumberFormat.getNumberInstance(Locale.US).format(avg)));
How can I do this in java??
NumberFormat currencyInstance = NumberFormat.getCurrencyInstance(Locale.US);
currencyInstance.setMaximumFractionDigits(0);
System.out.println(currencyInstance.format(12345679));
Output: $12,345,679
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What is the best way to parse a String value that looks like this id#1 ...id#398, so I can get de number after the id# String in JAVA.
If id# is a fixed prefix in every ID, I would have used
stringValue.split("id#")[0]
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I have a List<A> of data, and wanna store it to the other list(List<B>).
any suggestion to make it possible?
You can use the Collections.copy(ListA, ListB) method, or even, if you're working with ArrayLists: ListB = ListA.clone()