expressionvariable-expressionvariable.html

来自「经典的数据结构源代码(java 实现)」· HTML 代码 · 共 21 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>/** Class for a variable of an arithmetic expression. */</font><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>class</font> </font>ExpressionVariable <font color=#8000a0><font color=#ff8000>extends</font> </font>ExpressionTerm {  <font color=#8000a0><font color=#8000a0>protected</font> </font>Integer var;  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#0000ff>ExpressionVariable</font>(Integer x) { var = x; }  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>void</font> <font color=#0000ff>setVariable</font>(Integer x) { var = x; }  <font color=#8000a0><font color=#8000a0>public</font> </font>Integer <font color=#0000ff>getValue</font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>var; }  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>String</font> <font color=#0000ff>toString</font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>var.<font color=#0000ff>toString</font>(); }}</dl></body></html>

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