geomprogression-geom.html
来自「经典的数据结构源代码（java 实现）」· HTML 代码 · 共 49 行
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre><font color=#ff0080>/** * Geometric Progression */</font><font color=#ff8000>class</font> <font color=#8000a0>GeomProgression </font><font color=#ff8000>extends</font> Progression { <font color = #ff0080>/** Base. */</font> <font color=#8000a0><font color=#8000a0>protected</font> </font>long base; <font color=#ff0080>// Inherits variables first and cur.</font> <font color = #ff0080>/** Default constructor setting base 2. */</font> <font color=#0000ff>GeomProgression</font>() { <font color=#ff8000>this</font><font color=#0000ff></font>(2); } <font color=#ff0080>/** Parametric constructor providing the base. * * @param b base of the progression. */</font> <font color=#0000ff>GeomProgression</font>(long b) { base = b; first = 1; cur = first; } <font color=#ff0080>/** Advances the progression by multiplying the base with the current value. * * @return next value of the progression */</font> <font color=#8000a0><font color=#8000a0>protected</font> </font>long <font color=#0000ff>nextValue</font>() { cur *= base; <font color=#8000a0><font color=#ff8000>return</font> </font>cur; } <font color=#ff0080>// Inherits methods firstValue() and printProgression(int).</font>}</dl></body></html>⌨️ 快捷键说明
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