类 BoyerMoore
- java.lang.Object
-
- edu.princeton.cs.algs4.BoyerMoore
-
public class BoyerMoore extends java.lang.ObjectTheBoyerMooreclass finds the first occurrence of a pattern string in a text string.This implementation uses the Boyer-Moore algorithm (with the bad-character rule, but not the strong good suffix rule).
For additional documentation, see Section 5.3 of Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne.
-
-
构造器概要
构造器 构造器 说明 BoyerMoore(char[] pattern, int R)Preprocesses the pattern string.BoyerMoore(java.lang.String pat)Preprocesses the pattern string.
-
方法概要
修饰符和类型 方法 说明 static voidmain(java.lang.String[] args)Takes a pattern string and an input string as command-line arguments; searches for the pattern string in the text string; and prints the first occurrence of the pattern string in the text string.intsearch(char[] text)Returns the index of the first occurrrence of the pattern string in the text string.intsearch(java.lang.String txt)Returns the index of the first occurrrence of the pattern string in the text string.
-
-
-
方法详细资料
-
search
public int search(java.lang.String txt)
Returns the index of the first occurrrence of the pattern string in the text string.- 参数:
txt- the text string- 返回:
- the index of the first occurrence of the pattern string in the text string; n if no such match
-
search
public int search(char[] text)
Returns the index of the first occurrrence of the pattern string in the text string.- 参数:
text- the text string- 返回:
- the index of the first occurrence of the pattern string in the text string; n if no such match
-
main
public static void main(java.lang.String[] args)
Takes a pattern string and an input string as command-line arguments; searches for the pattern string in the text string; and prints the first occurrence of the pattern string in the text string.- 参数:
args- the command-line arguments
-
-