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https://github.com/Noratrieb/UselessClasses.git
synced 2026-01-14 16:45:09 +01:00
u8 a = 0xPA
u8 b = 0xIN
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parent
b6a130ade3
commit
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2 changed files with 45 additions and 2 deletions
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@ -1,7 +1,19 @@
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public class TestClass {
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public static void main(String[] args) {
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StringOfChars s = new StringOfChars('h', 'a');
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u8 myByte = new u8((short) 127);
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System.out.println(myByte.val());
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//max array size for u8: 2'050'000'000 - 2'100'000'000
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//max array size for byte: 7'500'000'000 - 10'000'000'000
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//max array size for short: 3'700'000'000 - 4'500'000'000
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u8[][][] test = new u8[1000][1000][1000];
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System.out.printf("no error for size: %,d", (long) test.length * (long) test[0].length * (long) test[0][0].length);
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/*StringOfChars s = new StringOfChars('h', 'a');
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s.append('l', 'l', 'o');
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System.out.println(s.toString());
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@ -19,6 +31,6 @@ public class TestClass {
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GoodRandom random = new GoodRandom();
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for (int i = 0; i < 10; i++) {
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System.out.println(random.randomInt(20));
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}
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}*/
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}
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}
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31
src/main/java/u8.java
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31
src/main/java/u8.java
Normal file
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@ -0,0 +1,31 @@
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/**
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* An unsigned byte.
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* Unlike other programming languages like C, C++ and many others, Java is too high-level to
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* bother with having or not having sign bits. It just has them by default.
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* <p>
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* This creates a problem,
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* because sometimes you might want to save memory and use unsigned bytes.
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* In this case, this class is perfect for you because it does exactly that.
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* (The 'exactly that' refers to 'creates a problem')
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*/
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public class u8 {
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private final byte b;
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/**
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* Create a new u8. You need to input a short because that is how Java works.
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* The value will be stored in a byte though.
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* @param s
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*/
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public u8(short s) {
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b = (byte) s;
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}
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/**
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* Get the value back.
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* @return The value as a short because that is how Java works.
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*/
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public short val(){
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return b;
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}
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}
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