The java.math.BigInteger.and(BigInteger val) returns a BigInteger whose value is (this & val). This method returns a negative BigInteger if and only if this and val are both negative. Here, “val” is the value to be AND'ed with this BigInteger.First, create BigInteger objects −BigInteger one, two, three; one = new BigInteger("12"); two = new BigInteger("6");Perform AND operation on first and second object −three = one.and(two);The following is an example −Example Live Demoimport java.math.*; public class Demo { public static void main(String[] args) { BigInteger one, two, three; one = new BigInteger("12"); two ... Read More
The BigInteger.not() method returns a BigInteger whose value is (~this). This method returns a negative value if and only if this BigInteger is non-negative.The following is an example −Example Live Demoimport java.math.*; public class Demo { public static void main(String[] args) { BigInteger one, two, three; one = new BigInteger("6"); two = one.not(); System.out.println("Result (not operation): " +two); } }OutputResult (not operation): -7Let us see another example −Example Live Demoimport java.math.*; public class Demo { public static void main(String[] args) { BigInteger bi1, bi2, ... Read More
TheBigInteger.or(BigInteger val) returns a BigInteger whose value is (this | val). This method returns a negative BigInteger if and only if either this or val is negative.Here, “val” is the value to be OR'ed with this BigInteger.The following is an example −Example Live Demoimport java.math.*; public class Demo { public static void main(String[] args) { BigInteger one, two, three; one = new BigInteger("6"); two = one.or(one); System.out.println("Result (or operation): " +two); } }OutputResult (or operation): 6Let us see another example −Example Live Demoimport java.math.*; public class Demo { ... Read More
TheBigInteger.andNot(BigInteger val) returns a BigInteger whose value is (this & ~val). This method, which is equivalent to and(val.not()), is provided as a convenience for masking operations. This method returns a negative BigInteger if and only if this is negative and val is positive. Here, “val” is the value to be complemented and AND'ed with this BigInteger.The following is an example −Example Live Demoimport java.math.*; public class Demo { public static void main(String[] args) { BigInteger one, two, three; one = new BigInteger("12"); two = new BigInteger("6"); three = ... Read More
The following is our string −String str = "Amit";Now take a StringBuilder object −StringBuilder strBuilder = new StringBuilder();Set the character you want to pad with a string −Character ch = '^';Perform left padding and extend the string length to 5 (one for the additional character). The character that will be padded comes on the left −while (strBuilder.length() + str.length() < 5) { strBuilder.append(ch); }The following is an example −Example Live Demopublic class Demo { public static void main(String[] args) { String str = "Amit"; Character ch = '^'; StringBuilder strBuilder = ... Read More
Let us see an example first to understand how a string looks with left padding −demotext //left padding with spaces 0000000demotext //left padding with 7 zerosThe following is our string −String str = "Jack";Now take a StringBuilder object −StringBuilder strBuilder = new StringBuilder();Perform left padding and extend the string length. The spaces that will be padded comes on the left. Append the spaces here −while (strBuilder.length() + str.length() < 10) { strBuilder.append(' '); }The following is an example to pad a string to the left with spacesExample Live Demopublic class Demo { public static void main(String[] args) { ... Read More
Let us see an example first to understand how an integer looks with left padding −888 //left padding with spaces 0000000999 //left padding with 7 zerosLet us see an example to left pad a number with zero −Example Live Demopublic class Demo { public static void main(String[] args) { int val = 9899; System.out.println(String.format("%05d",val)); } }Output09899Let us see another example that pads a greater number of zeros −Example Live Demopublic class Demo { public static void main(String[] args) { int val = 9899; System.out.println(String.format("%010d", val)); } }Output0000009899
The following is our string −String str = "Tim";Now take a StringBuilder object −StringBuilder strBuilder = new StringBuilder();Perform left padding and extend the string length. We have set it till 20, that would include the current string as well. The zeros that will be padded comes on the left. Append the zeros here −while (strBuilder.length() + str.length() < 10) { strBuilder.append('0'); }The following is an example −Example Live Demopublic class Demo { public static void main(String[] args) { String str = "Tim"; StringBuilder strBuilder = new StringBuilder(); while (strBuilder.length() + str.length() ... Read More
The following is an example −Example Live Demopublic class Demo { public static void main(String[] args) { String str = "laptop"; System.out.println("Original String = " +str); // letter one String strOne = str.substring(0,1).toUpperCase(); // remaining letters String strTwo = str.substring(1).toLowerCase(); System.out.println("Resultant String = "+strOne + strTwo); } }OutputOriginal String = laptop Resultant String = Laptop
BigInteger class is used for big integer calculations which are outside the limit of the primitive data types. It provides operations for modular arithmetic, GCD calculation, primality testing, prime generation, bit manipulation, and a few other miscellaneous operations.Firstly, set a long value −Long l = 198L;Now, create a new object for BigInteger and pass the above value −BigInteger bInteger = new BigInteger(l);The following is an example −Example Live Demoimport java.math.BigInteger; public class Demo { public static void main(String[] argv) throws Exception { Long l = 198L; BigInteger bInteger = BigInteger.valueOf(l); System.out.println(bInteger); } }Output198
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