Good day I am new to java and would like to know if there is a way for me to randomly choose between multiplication and addition and apply it to two numbers. Any guidance would be appreciated. Answer I guess a code like the following could work:
Tag: numbers
Checking a number for parity
To check that both expressions are true, you need to use &&. Syntax expression1 && expression2 In this problem, you need to check that the number passed is positive AND even my code: test: error: java.lang.AssertionError: expected [true] but found [false] at org.testng.Assert.fail(Assert.java:93) at org.testng.Assert.failNotEquals(Assert.java:512) at org.testng.Assert.assertTrue(Assert.java:41) at org.testng.Assert.assertTrue(Assert.java:51) at ru.job4j.sentence.LogicAndTest.test(LogicAndTest.java:14) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566)
How to do unsigned integer left shift bit operation in Java 1.8 that matches C#?
I’m trying to port some code from C# to Java and I’m stuck on some low-level bit operations. Here is an example snippet that I’m trying to figure out how to translate from C# to Java: Result: So far so good. How do you convert this same thing to Java? So in Java, I naively just tried turning all the
how do i find the values of A,B and C in java
given the following values X,Y,Z, such as (0≤X,Y,Z≤10000) with considering the following three equations : a+b+c = X abc = Y a^2 + b^2+ c^2 = Z i need to find values of a, b and c, I wrote something like this in java: but its a naïve solution because the values of a,b and c can be zero, positive
Converting Date and Gender to String using Apache-poi [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question How can I set Date and Gender that is in the database? Answer To write Date and Gender in Cell you need to convert them
Is there a default type for numbers in Java
If I write something like this Which type has the ’18’? Is it int or byte? Or doesn’t it have a type yet? It can’t be int, because something like this is correct: And this is incorrect: EDIT: I think I found the right part in the spec at Assignment Conversion : The compile-time narrowing of constants means that code
Why int j = 012 giving output 10?
In my actual project It happened accidentally here is my modified small program. I can’t figure out why it is giving output 10? public class Int { public static void main(String args[]) { …
Calculate average of a huge long array
I’m trying to calculate the average of many (more than 200) long (primitive type) values stored in an array. Usually you add all the numbers and divide it by the number of the values. But this is not possible in this case since there is no primitive datatype in Java capable of holding such a large number, isn’t it? Will
How to split the string into string and integer in java?
I have the String a=”abcd1234″ and I want to split this into String b=”abcd” and Int c=1234. This Split code should apply for all king of input like ab123456 and acff432 and so on. How to split this kind of Strings. Is it possible? Answer You could try to split on a regular expression like (?<=D)(?=d). Try this one: will
Convert Java Number to BigDecimal : best way
I am looking for the best way to convert a Number to a BigDecimal. Is this good enough? Can we lose precision with the toString() method ? Answer This is fine, remember that using the constructor of BigDecimal to declare a value can be dangerous when it’s not of type String. Consider the below… This will not print 0.35, it