Example usage for org.jfree.data DefaultKeyedValues2D removeValue

Introduction

In this page you can find the example usage for org.jfree.data DefaultKeyedValues2D removeValue.

Prototype

public void removeValue(Comparable rowKey, Comparable columnKey) 

Source Link

Document

Removes a value from the table by setting it to null.

Usage

From source file:org.jfree.data.DefaultKeyedValues2DTest.java

/**
 * Some basic checks for the removeValue() method.
 *///ww w .j  ava2s  .  c  o  m
@Test
public void testRemoveValue() {
    DefaultKeyedValues2D d = new DefaultKeyedValues2D();
    d.removeValue("R1", "C1");
    d.addValue(new Double(1.0), "R1", "C1");
    d.removeValue("R1", "C1");
    assertEquals(0, d.getRowCount());
    assertEquals(0, d.getColumnCount());

    d.addValue(new Double(1.0), "R1", "C1");
    d.addValue(new Double(2.0), "R2", "C1");
    d.removeValue("R1", "C1");
    assertEquals(new Double(2.0), d.getValue(0, 0));
}

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From source file:org.jfree.data.DefaultKeyedValues2DTest.java

/**
 * A test for bug 1690654./*from   ww w.j  a va 2 s .  c  om*/
 */
@Test
public void testRemoveValueBug1690654() {
    DefaultKeyedValues2D d = new DefaultKeyedValues2D();
    d.addValue(new Double(1.0), "R1", "C1");
    d.addValue(new Double(2.0), "R2", "C2");
    assertEquals(2, d.getColumnCount());
    assertEquals(2, d.getRowCount());
    d.removeValue("R2", "C2");
    assertEquals(1, d.getColumnCount());
    assertEquals(1, d.getRowCount());
    assertEquals(new Double(1.0), d.getValue(0, 0));
}

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