Try System.out.println(“10 and Mayfield and London”.replaceAll(“(\\p{Alpha}+)”, “SYN($1)”).replace(“SYN(and)”, “and”)); output 10 and SYN(Mayfield) and SYN(London) 1 solved regular expression wrapping words [closed]
Java class has default hashCode and equals method method implemented through super class. If u want to over ride them u can by following: class MyOb { private String name; private Integer quality; private final int MAXIMUM = 23; @Override public int hashCode() { final int prime = 31; int result = 1; result = … Read more
Here’s a simple algorithm to get you in the right direction. read file line by line using StringTokenizer break up each line on ” ” the first token will be the name the rest of the tokens will be the scores. Parse these as integers and compute the average 1 solved Calculating average scores from … Read more
public class Arraymini { public static void main(String [] args){ int [] testArray1= {1,6,3,9,2}; double [] testArray2= {2.3, 8.66, 6.5, -9.2}; printArray(testArray1); printArray(testArray2); } public static void printArray(int []k){ for(int i=0; i<k.length; i++){ System.out.println(k[i]+” “); } } public static void printArray(double[]g){ for(int i=0; i<g.length; i++){ System.out.println(g[i]+” “); } } } solved How do you invoke … Read more
check this solution if you are going to develop it yourself. if fact it is already developed, you don’t have to invent one. String hexValue = “put your hex in quotes”; int decimalValue = Integer.parseInt(hexValue, 16); Hope it will help 4 solved I am developing a hexadecimal to decimal converter
In Java, you need to specify how your method behaves. This includes exceptions that can possibly be thrown. To declare, that you method can that an exception, the throws keyword is used (as in your first Example). Note that only Exceptions that derive from the Exception class must be depicted here (there are also RuntimeExceptions … Read more
What is this Java program behaviour? Why does this not give a compile time error of `Incompatible type cannot convert int to string`? solved What is this Java program behaviour? Why does this not give a compile time error of `Incompatible type cannot convert int to string`?
Try to refactor the common code into a private method: void method(){ common(); } void method(String s){ common(); //code 2 } private void common() { // code 1 } solved Calling an overloaded method
Check the exit condition of your for loop: for (int i= 0; i> num_proyect_act; i++) { // … } 2 solved arrayindexoutofbounds exception processing [closed]
When you have an error on your response, your response body is null. You have to use the code from the Response and if you want to get the data from the error use the errorBody(): public void onResponse(Call<SalaryListModel> call, Response<SalaryListModel> response) { if (response.isSuccessful()) { Log.e(TAG, “onResponse: calling”); if (response.body().getStatus_code() == 200) { Log.e(TAG, … Read more
I am hoping that you are using Excel to open the CSV, I would recommend using excel and following these instructions to get what you need. Hope this helps, once you have the data imported save the file and share it with the users. solved Write String with preceding zeros into CSV file in java
You have to add constraints to your Button in order to make sure that it’s centered on every device. To do this, constrain the button’s left edge to the parent’s left edge, and constrain the button’s right edge to the parent’s right edge. To do this in the layout editor, click and hold on the … Read more
fact(fact(3)) means to get the the return of the function fact(3) and use it as argument again in another call to fact. Split it up to understand it better. fact(fact(3)) means the same as: int value = fact(3); fact(value); solved Nesting method calls in java
for (int i=1; i<numbers.length;i++) result=numbers[i]; this makes result the last element of the array, not the greatest one… You probably wanted for (int i=1; i<numbers.length;i++) result = Math.max(numbers[i], result); 1 solved Why does it return max for 2.0 in java? [closed]
The problem is that replace(“st”, “”) also removes the st ending of August, resulting in the input string seen in the error message. To handle this, you need to make sure the st suffix is right after a digit, so it’s part of the day value. You also need to handle all of 1st, 2nd, … Read more