Looping for a random number of times java
This is a simple for loop: for (int i = new Random().nextInt(); i > 0; i–) { // do stuff }
loops
Printing Binary values using nested loops [closed]
for (int i = 1; i <= input; i++) { String line = “”; for (int k = 2; k >= 0; k–) { line += ((i >> k) & 1) == 1 ? “1” : “0”; } System.out.println(line); } That uses two for loops.
Using local variable outside its scope
How do I use arrj[] outside the while loop as the array is a local variable to while loop? You have the answer in your question itself. You can not have the arrj out side the first for loop as it will be deleted from the stack as it go out of from this scope. … Read more
Java while loop query [closed]
In your second code block you are first checking if the first character is the same as the last. If it isn’t, return false. Else, return true. So this isn’t going to be a valid palindrome check. It only checks if the first and last letters are the same or not and ignores the letters … Read more
How to create a loop thats includes a if statement
If I understand your question correctly, every time the loop runs, you want to decrease “powerlevel” by a random value, then display a message depending on whether powerlevel can be reduced. Here are two approaches. 1) use an if statement in your for loop for (conditions){ if(powerlevel cannot be decremented){ //display a messsage break; } … Read more
Loop through a R matrix row-wise and print elements [duplicate]
m <- matrix(c(2, 4, 3, 1, 5, 7), 2, 3, byrow=T) as.vector(m) or c(m[1, 1:3], m[2, 1:3])
C++: While Looping Amount of Times
this is a suitable time to utilize the do while loop the way it works is it will execute the statement within the block without evaluating any conditions and then evaluate the condition to determine if the loop should run again this is what your program could look like #include <iostream> using namespace std; int … Read more
How to deal with c-string pointers [closed]
You are not appending characters to the array, nor are you appending pointers to the pointer array. Here are some steps you will need to perform: 1. Maintain an index or pointer to the next available location in the “sentences” array. 2. After reading the string from the file file, copy its contents to the … Read more
Loop or no loop? [closed]
The former may be a little faster. The latter is a lot more readable. Choice is yours 😉
I don't know what's wrong with the do-while loop
Try below code : public static void main(String[] args) { String responded; do{ responded = JOptionPane.showInputDialog(“Do you understand do while loops?”); boolean legitimate = false; do { String number = JOptionPane.showInputDialog(“Choose a number between 0 & 9 to generate \nthe corresponding word to that number or \npress 10 to exit the program”); switch(number) { case … Read more