这是indexloc提供的服务，不要输入任何密码
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Merged
merged 6 commits into from
Jun 28, 2024
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https://jira.baeldung.com/browse/BAEL-7922 #16869

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46 changes: 46 additions & 0 deletions ...numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BigIntegerExample.java
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package com.baeldung.arbitrarylengthbinaryintegers;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.math.BigInteger;

public class BigIntegerExample {

private static final Logger log = LoggerFactory.getLogger(BigIntegerExample.class);

public static void main(String[] args) {
BigInteger a = new BigInteger("1101001011010101010101010101010101010101010101010101010101010101010", 2);
BigInteger b = new BigInteger("-10000", 2);

log.info(getBinaryOperations(a, b));

BigInteger c = new BigInteger("11111111111111111111111111111000", 2);
log.info("c = " + c.toString(2) + " (" + c + ")");
}

public static String getBinaryOperations(BigInteger a, BigInteger b) {
return "a = " + a.toString(2) + " (" + a + ")\n" +
"b = " + b.toString(2) + " (" + b + ")\n" +
"a + b = " + a.add(b).toString(2) + " (" + a.add(b) + ")\n" +
"a - b = " + a.subtract(b).toString(2) + " (" + a.subtract(b) + ")\n" +
"a * b = " + a.multiply(b).toString(2) + " (" + a.multiply(b) + ")\n" +
"a / b = " + a.divide(b).toString(2) + " (" + a.divide(b) + ")";
}

public static BigInteger add(BigInteger a, BigInteger b) {
return a.add(b);
}

public static BigInteger subtract(BigInteger a, BigInteger b) {
return a.subtract(b);
}

public static BigInteger multiply(BigInteger a, BigInteger b) {
return a.multiply(b);
}

public static BigInteger divide(BigInteger a, BigInteger b) {
return a.divide(b);
}
}
44 changes: 44 additions & 0 deletions ...va-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BinaryLiterals.java
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package com.baeldung.arbitrarylengthbinaryintegers;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class BinaryLiterals {

private static final Logger log = LoggerFactory.getLogger(BinaryLiterals.class);

public static void main(String[] args) {
int a = 0b110100101101010;
int b = 0b1000;

log.info(getBinaryOperations(a, b));

int c = 0b11111111111111111111111111111000; // (2^32 - 8) written in base 2
log.info("c = " + Integer.toBinaryString(c) + " (" + c + ")");
}

public static String getBinaryOperations(int a, int b) {
return "a = " + Integer.toBinaryString(a) + " (" + a + ")\n" +
"b = " + Integer.toBinaryString(b) + " (" + b + ")\n" +
"a + b = " + Integer.toBinaryString(a + b) + " (" + (a + b) + ")\n" +
"a - b = " + Integer.toBinaryString(a - b) + " (" + (a - b) + ")\n" +
"a * b = " + Integer.toBinaryString(a * b) + " (" + (a * b) + ")\n" +
"a / b = " + Integer.toBinaryString(a / b) + " (" + (a / b) + ")";
}

public static int add(int a, int b) {
return a + b;
}

public static int subtract(int a, int b) {
return a - b;
}

public static int multiply(int a, int b) {
return a * b;
}

public static int divide(int a, int b) {
return a / b;
}
}
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